Climate and average weather in Las Vegas
In Las Vegas, the summers are sweltering, dry, and clear and the winters are cool and mostly clear.
Over the course of the year, the temperature in Las Vegas typically varies from 36°F to 98°F, and is rarely below 28°F or above 104°F. July is the hottest month of the year, while December is the coldest.
Based on the travel score, the best times of year to visit Las Vegas for warm-weather activities are from mid March to late May and late September to mid November.
- Hottest
- Jul
- 98°
- Coldest
- Dec
- 36°
- Wettest
- Feb
- 1.2 in
- Driest
- Jun
- 0.1 in
- Rain / yr
- 5.7 in
- 28 wet days
- Daylight
- 9.5–14.5 h
- shortest–longest
- Elevation
- 2,001 ft
- 36.2°N
- Clearest
- Sep
- 18% cloud
Las Vegas is seat of Clark County, and largest city in state of Nevada, United States.
- Density
- 1,824/km²
- people per km²
- Founded
- 1905
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Las Vegas weather by month, at a glance
The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.
Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid March to late May.
Temperature through the year
Daily average highs and lows in Las Vegas, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.
The hot season lasts 3.8 months, from May 30 to September 22, with daily high temperatures above 86°F. The hottest month of the year in Las Vegas is July, with an average high of 98°F and low of 75°F.
The cool season lasts 3.4 months, from November 20 to March 2, with daily high temperatures below 61°F. The coldest month of the year in Las Vegas is December, with an average low of 36°F and high of 53°F.
Days typically run about 21°F warmer than nights, with the widest day–night swing (around 25°F) in June.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 54 | 58 | 65 | 73 | 82 | 93 | 98 | 96 | 89 | 76 | 62 | 53 |
| Avg low (°F) | 36 | 39 | 45 | 51 | 59 | 68 | 75 | 74 | 66 | 54 | 43 | 36 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| Jan | 54 | 36 |
| Feb | 58 | 39 |
| Mar | 65 | 45 |
| Apr | 73 | 51 |
| May | 82 | 59 |
| Jun | 93 | 68 |
| Jul | 98 | 75 |
| Aug | 96 | 74 |
| Sep | 89 | 66 |
| Oct | 76 | 54 |
| Nov | 62 | 43 |
| Dec | 53 | 36 |
How hot and cold Las Vegas really feels
The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.
On the hottest afternoons, once humidity is folded in, Las Vegas feels like about 98°F (around July 14). About 98 days a year carry some heat stress, peaking in July.
On the coldest nights, wind chill pulls the feels-like down to about 30°F (around December 25), with roughly 32 freezing days a year (feels-like at or below 32°F), worst in December.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feels-like high (°F) | 54 | 58 | 65 | 73 | 82 | 93 | 98 | 96 | 89 | 76 | 62 | 53 |
| Air high (°F) | 54 | 58 | 65 | 73 | 82 | 93 | 98 | 96 | 89 | 76 | 62 | 53 |
| Feels-like low (°F) | 32 | 36 | 42 | 49 | 59 | 68 | 75 | 74 | 66 | 54 | 40 | 32 |
| Air low (°F) | 36 | 39 | 45 | 51 | 59 | 68 | 75 | 74 | 66 | 54 | 43 | 36 |
| Feels-like high (°F) | Air high (°F) | Feels-like low (°F) | Air low (°F) | |
|---|---|---|---|---|
| Jan | 54 | 54 | 32 | 36 |
| Feb | 58 | 58 | 36 | 39 |
| Mar | 65 | 65 | 42 | 45 |
| Apr | 73 | 73 | 49 | 51 |
| May | 82 | 82 | 59 | 59 |
| Jun | 93 | 93 | 68 | 68 |
| Jul | 98 | 98 | 75 | 75 |
| Aug | 96 | 96 | 74 | 74 |
| Sep | 89 | 89 | 66 | 66 |
| Oct | 76 | 76 | 54 | 54 |
| Nov | 62 | 62 | 40 | 43 |
| Dec | 53 | 53 | 32 | 36 |
Average hourly temperature in Las Vegas
A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.
Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on July afternoons, near 98°F, and coldest before dawn in December, near 36°F.
Las Vegas weather by month
Every month at a glance. Click a month for its detailed page.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 54° / 36° | 0.9 | 3.7 | 0.6 | 9.8 | 4.0 |
| Feb | 58° / 39° | 1.2 | 4.8 | 0.7 | 10.6 | 5.0 |
| Mar | 65° / 45° | 0.6 | 3.5 | 0.2 | 11.7 | 7.1 |
| Apr | 73° / 51° | 0.3 | 2.2 | 0.1 | 12.9 | 8.4 |
| May | 82° / 59° | 0.2 | 1.5 | 0 | 13.9 | 7.6 |
| Jun | 93° / 68° | 0.1 | 0.4 | 0 | 14.4 | 4.2 |
| Jul | 98° / 75° | 0.3 | 2.2 | 0 | 14.2 | 2.2 |
| Aug | 96° / 74° | 0.4 | 2 | 0 | 13.4 | 2.8 |
| Sep | 89° / 66° | 0.3 | 1.1 | 0 | 12.2 | 5.7 |
| Oct | 76° / 54° | 0.3 | 1.6 | 0 | 11.1 | 8.7 |
| Nov | 62° / 43° | 0.4 | 1.5 | 0.1 | 10.1 | 6.8 |
| Dec | 53° / 36° | 0.8 | 3.3 | 0.6 | 9.6 | 3.6 |
Chance of rain
How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.
Las Vegas gets about 5.7 in of precipitation a year. On a typical day the chance of rain is mostly dry, but that rises and falls sharply with the seasons.
The wetter season lasts 4.3 months, from around Dec 1 to Apr 9, peaking in February at about 19% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 20.
February is the wettest month by volume, with 1.2 in over about 5 wet days; June is the driest, with 0.1 in.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain on a day (%) | 12 | 16 | 12 | 7 | 5 | 2 | 7 | 6 | 4 | 5 | 5 | 11 |
| Rain days | 4 | 5 | 4 | 2 | 2 | 0 | 2 | 2 | 1 | 2 | 2 | 3 |
| Rain on a day (%) | Rain days | |
|---|---|---|
| Jan | 12 | 4 |
| Feb | 16 | 5 |
| Mar | 12 | 4 |
| Apr | 7 | 2 |
| May | 5 | 2 |
| Jun | 2 | 0 |
| Jul | 7 | 2 |
| Aug | 6 | 2 |
| Sep | 4 | 1 |
| Oct | 5 | 2 |
| Nov | 5 | 2 |
| Dec | 11 | 3 |
Monthly rainfall
Over a full year, Las Vegas collects about 5.7 in of rain across 28 wet days — roughly 0.5 in in an average month.
It doesn’t fall evenly. February is the wettest month with 1.2 in, while June is the driest at just 0.1 in. The three wettest months alone bring about 50% of the year’s total, and some of the cold-season precipitation falls as snow.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainfall (in) | 0.9 | 1.2 | 0.6 | 0.3 | 0.2 | 0.1 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.8 |
| Rain days | 4 | 5 | 4 | 2 | 2 | 0 | 2 | 2 | 1 | 2 | 2 | 3 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainfall (in) | Rain days | Snow days | |
|---|---|---|---|
| Jan | 0.9 | 4 | 1 |
| Feb | 1.2 | 5 | 1 |
| Mar | 0.6 | 4 | 0 |
| Apr | 0.3 | 2 | 0 |
| May | 0.2 | 2 | 0 |
| Jun | 0.1 | 0 | 0 |
| Jul | 0.3 | 2 | 0 |
| Aug | 0.4 | 2 | 0 |
| Sep | 0.3 | 1 | 0 |
| Oct | 0.3 | 2 | 0 |
| Nov | 0.4 | 2 | 0 |
| Dec | 0.8 | 3 | 1 |
Clouds and sunshine
How often the daytime sky is clear, partly cloudy or overcast.
In Las Vegas, the average share of the sky covered by clouds shows moderate seasonal variation over the course of the year.
The clearer part of the year begins around May 20 and lasts for 6.0 months, ending around November 18. The clearest month is September, when the sky is clear, mostly clear, or partly cloudy 91% of the time on average.
The cloudier part of the year begins around November 19 and lasts for 5.1 months, ending around April 21. The cloudiest month is February, when it is overcast or mostly cloudy 35% of the time.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 66 | 65 | 69 | 76 | 80 | 89 | 87 | 89 | 91 | 85 | 78 | 69 |
| Cloudier (%) | 34 | 35 | 31 | 24 | 20 | 11 | 13 | 11 | 9 | 15 | 22 | 31 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| Jan | 66 | 34 |
| Feb | 65 | 35 |
| Mar | 69 | 31 |
| Apr | 76 | 24 |
| May | 80 | 20 |
| Jun | 89 | 11 |
| Jul | 87 | 13 |
| Aug | 89 | 11 |
| Sep | 91 | 9 |
| Oct | 85 | 15 |
| Nov | 78 | 22 |
| Dec | 69 | 31 |
Daylight, sunrise and sunset
Hours of daylight through the year, with sunrise and sunset times.
The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 17, brings about 14 h 30 min of light; the shortest, around December 17, only 9 h 30 min — a swing of roughly 5 hours.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.8 | 10.6 | 11.7 | 12.9 | 13.9 | 14.4 | 14.2 | 13.4 | 12.2 | 11.1 | 10.1 | 9.6 |
| Sunrise (AM) | 6:56 | 6:36 | 5:59 | 5:13 | 4:39 | 4:27 | 4:39 | 5:03 | 5:28 | 5:54 | 6:24 | 6:50 |
| Sunset (PM) | 4:44 | 5:14 | 5:42 | 6:08 | 6:34 | 6:54 | 6:53 | 6:26 | 5:42 | 4:57 | 4:27 | 4:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| Jan | 9.8 | 6:56 | 4:44 |
| Feb | 10.6 | 6:36 | 5:14 |
| Mar | 11.7 | 5:59 | 5:42 |
| Apr | 12.9 | 5:13 | 6:08 |
| May | 13.9 | 4:39 | 6:34 |
| Jun | 14.4 | 4:27 | 6:54 |
| Jul | 14.2 | 4:39 | 6:53 |
| Aug | 13.4 | 5:03 | 6:26 |
| Sep | 12.2 | 5:28 | 5:42 |
| Oct | 11.1 | 5:54 | 4:57 |
| Nov | 10.1 | 6:24 | 4:27 |
| Dec | 9.6 | 6:50 | 4:23 |
Sunny days
How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.
Las Vegas averages about 20 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 15 and 25 days.
The sunnier stretch runs 5.9 months, from around May 27 to Nov 21. The sunniest month is September, with roughly 25 sunny days (brilliant).
The greyest month is February, down near 15 sunny days — about 39% fewer than the September peak.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunny days | 17 | 14 | 16 | 17 | 20 | 24 | 23 | 24 | 25 | 23 | 20 | 17 |
| Sky | Bright | Bright | Bright | Bright | Bright | Brilliant | Bright | Brilliant | Brilliant | Bright | Bright | Bright |
| Sunny days | Sky | |
|---|---|---|
| Jan | 17 | Bright |
| Feb | 14 | Bright |
| Mar | 16 | Bright |
| Apr | 17 | Bright |
| May | 20 | Bright |
| Jun | 24 | Brilliant |
| Jul | 23 | Bright |
| Aug | 24 | Brilliant |
| Sep | 25 | Brilliant |
| Oct | 23 | Bright |
| Nov | 20 | Bright |
| Dec | 17 | Bright |
Humidity comfort
Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.
Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.
In Las Vegas, the air stays dry or comfortable essentially all year. Even in July, the muggiest month, it feels humid or worse only about 4% of the time — humidity is not something you need to plan around here.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 90 | 90 | 95 | 100 | 100 | 100 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 | 3 | 0 | 0 | 0 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 0 | 0 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| Jan | 100 | 0 | 0 | 0 |
| Feb | 100 | 0 | 0 | 0 |
| Mar | 100 | 0 | 0 | 0 |
| Apr | 100 | 0 | 0 | 0 |
| May | 100 | 0 | 0 | 0 |
| Jun | 100 | 0 | 0 | 0 |
| Jul | 90 | 6 | 3 | 1 |
| Aug | 90 | 7 | 3 | 0 |
| Sep | 95 | 3 | 1 | 0 |
| Oct | 100 | 0 | 0 | 0 |
| Nov | 100 | 0 | 0 | 0 |
| Dec | 100 | 0 | 0 | 0 |
Wind
Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.
This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.
Wind in Las Vegas is steady company: average speeds sit near 6 mph — calm — in every month of the year, with no meaningful windy or calm season.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| Jan | 5 | calm |
| Feb | 5 | calm |
| Mar | 6 | calm |
| Apr | 6 | calm |
| May | 6 | calm |
| Jun | 6 | calm |
| Jul | 6 | calm |
| Aug | 6 | calm |
| Sep | 5 | calm |
| Oct | 5 | calm |
| Nov | 5 | calm |
| Dec | 5 | calm |
Best time to visit Las Vegas
To characterize how pleasant the weather is in Las Vegas throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.
Around late March, Las Vegas is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.
Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.
The travel score favors clear, rainless days with daytime highs between 64°F and 82°F. Based on this score, the best times of year to visit Las Vegas for general outdoor tourist activities run from mid March to late May and again from late September to mid November, with a peak score in the third week of October.
The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Travel score (0–10) | 4.0 | 5.1 | 7.1 | 8.4 | 7.6 | 4.2 | 2.2 | 2.8 | 5.7 | 8.6 | 6.8 | 3.7 |
| Rating | fair | fair | good | ideal | ideal | fair | poor | poor | good | ideal | good | fair |
| Travel score (0–10) | Rating | |
|---|---|---|
| Jan | 4.0 | fair |
| Feb | 5.1 | fair |
| Mar | 7.1 | good |
| Apr | 8.4 | ideal |
| May | 7.6 | ideal |
| Jun | 4.2 | fair |
| Jul | 2.2 | poor |
| Aug | 2.8 | poor |
| Sep | 5.7 | good |
| Oct | 8.6 | ideal |
| Nov | 6.8 | good |
| Dec | 3.7 | fair |
The beach/pool score favors clear, rainless days with daytime highs between 75°F and 93°F. Based on this score, the best times of year to visit Las Vegas for hot-weather activities run from late April to late June and again from late August to mid October, with a peak score in the last week of September.
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).
What to pack for Las Vegas, by month
Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.
For a warm-season trip around July (highs near 98°F), the essentials are light clothes and sun protection. In the cold season around December (highs near 53°F), pack a warm layer.
In July, Las Vegas sees daytime highs around 98°F and nights near 75°F. Pack light clothes and sun protection.
UV index (midday) in Las Vegas by month
Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.
Under clear skies, the midday UV index in Las Vegas peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 8 | 11 | 11 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Average hourly UV index in Las Vegas
Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.
The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.
UV falls off far faster than brightness as the sun drops, so even in June the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 6 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV ≥ 3 (h/day) | 0 | 3.5 | 5 | 6.5 | 7.5 | 8.5 | 8.5 | 8.5 | 7 | 5 | 2 | 0 |
| UV ≥ 6 (h/day) | 0 | 0 | 0 | 2.5 | 4.5 | 6 | 6 | 6 | 3.5 | 0 | 0 | 0 |
| UV ≥ 3 (h/day) | UV ≥ 6 (h/day) | |
|---|---|---|
| Jan | 0 | 0 |
| Feb | 3.5 | 0 |
| Mar | 5 | 0 |
| Apr | 6.5 | 2.5 |
| May | 7.5 | 4.5 |
| Jun | 8.5 | 6 |
| Jul | 8.5 | 6 |
| Aug | 8.5 | 6 |
| Sep | 7 | 3.5 |
| Oct | 5 | 0 |
| Nov | 2 | 0 |
| Dec | 0 | 0 |
Growing season
Las Vegas is mild enough that a frost-free day stays more likely than not even in midwinter. Nights are reliably above freezing from about February 13 to November 24 (285 days); outside that window a hard frost is an occasional risk.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frost-free chance (%) | 78 | 90 | 98 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 95 | 75 |
| Frost nights | 31 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 31 |
| Frost-free chance (%) | Frost nights | |
|---|---|---|
| Jan | 78 | 31 |
| Feb | 90 | 11 |
| Mar | 98 | 0 |
| Apr | 100 | 0 |
| May | 100 | 0 |
| Jun | 100 | 0 |
| Jul | 100 | 0 |
| Aug | 100 | 0 |
| Sep | 100 | 0 |
| Oct | 100 | 0 |
| Nov | 95 | 8 |
| Dec | 75 | 31 |
Growing degree days
Growing degree days tally heat above 50°F: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Las Vegas banks about 5,653 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around July.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Growing degree days (°F·days) | 0 | 0 | 162 | 354 | 641 | 909 | 1,123 | 1,085 | 821 | 470 | 89 | 0 |
| Growing degree days (°F·days) | |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 162 |
| Apr | 354 |
| May | 641 |
| Jun | 909 |
| Jul | 1,123 |
| Aug | 1,085 |
| Sep | 821 |
| Oct | 470 |
| Nov | 89 |
| Dec | 0 |
Solar energy
Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.
Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.
Las Vegas receives about 5.8 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 2.8 and 8.6 kWh/m².
The brighter stretch of the year lasts 6.4 months, from around Mar 18 to Sep 27. The brightest month is June, averaging about 8.5 kWh/m² (intense).
The dimmest month is December, down near 2.9 kWh/m² — roughly 66% less than the June peak.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.2 | 4.2 | 5.7 | 7.2 | 8.1 | 8.6 | 8.0 | 7.3 | 6.3 | 4.8 | 3.5 | 2.9 |
| Level | Moderate | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| Jan | 3.2 | Moderate |
| Feb | 4.2 | Bright |
| Mar | 5.7 | Bright |
| Apr | 7.2 | Intense |
| May | 8.1 | Intense |
| Jun | 8.6 | Intense |
| Jul | 8.0 | Intense |
| Aug | 7.3 | Intense |
| Sep | 6.3 | Intense |
| Oct | 4.8 | Bright |
| Nov | 3.5 | Moderate |
| Dec | 2.9 | Moderate |
Where is Las Vegas?
Las Vegas sits at 36.2°N, 115.1°W, 2,001 ft above sea level, in United States. The nearest listed city is North Las Vegas, 1.9 mi away.
What Las Vegas looks like
Topography around Las Vegas
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Las Vegas.
Within 2 miles, the terrain around Las Vegas has only modest variations in elevation — a maximum elevation change of 295 ft around an average of 1,959 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,428 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,188 ft.
The land around Las Vegas is covered by artificial surfaces (91%) within 2 miles, artificial surfaces (69%) and bare terrain (27%) within 10 miles, and bare terrain (67%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Las Vegas (36.175°, -115.1372°, elevation 2,001 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).