Las Vegas weather in May

In May, Las Vegas sees average daytime highs of 82°F and overnight lows near 59°F, with 0.2 in of rain across 1.5 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 86°F by the end. The sky is clear or mostly clear about 63% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Las Vegas's 7th-clearest and 3rd-windiest month. For the whole year in context, see Las Vegas's year-round climate.

Daytime high
82°
5th warmest
Overnight low
59°
8th coldest
Rainfall
0.2 in
1.5 wet days
Daylight
13 h 54 min
4:39 AM – 6:34 PM
Cloud cover
32%
7th clearest
Wind
6 mph
3rd windiest
Solar energy
8.1 kWh/m²
Travel score
7.6
out of 10

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.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 79°F in the first days to 86°F by the end.

A typical May day in Las Vegas reaches about 82°F in the afternoon and slips back to 59°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 93°F. Set against its neighbours, May runs about 9°F warmer than April and about 10°F cooler than June.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
17855
27855
37956
47956
57956
68056
78057
88057
98057
108158
118158
128158
138158
148259
158259
168259
178259
188260
198360
208360
218360
228361
238461
248461
258562
268562
278562
288662
298663
308763
318764

How May really feels in Las Vegas

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Las Vegas weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan54° / 36°0.93.70.69.84.0
Feb58° / 39°1.24.80.710.65.0
Mar65° / 45°0.63.50.211.77.1
Apr73° / 51°0.32.20.112.98.4
May82° / 59°0.21.5013.97.6
Jun93° / 68°0.10.4014.44.2
Jul98° / 75°0.32.2014.22.2
Aug96° / 74°0.42013.42.8
Sep89° / 66°0.31.1012.25.7
Oct76° / 54°0.31.6011.18.7
Nov62° / 43°0.41.50.110.16.8
Dec53° / 36°0.83.30.69.63.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38119
48020
57921
67921
77921
87921
97921
107822
117822
127822
137822
147822
157822
167723
177822
187822
197822
207822
217921
227921
237921
248020
258020
268119
278119
288218
298218
308218
318317

Chance of precipitation in May

Any precipitation

Las Vegas gets around 0.2 in of rain over 1.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
46
56
66
76
86
96
105
115
125
135
145
154
164
174
184
194
204
214
224
234
244
254
264
274
284
294
304
313

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 4:54 AM to 4:30 AM, and sunset from 6:21 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.54:546:21
213.54:536:22
313.54:526:23
413.64:516:24
513.64:506:25
613.64:496:26
713.64:486:27
813.74:476:27
913.74:466:28
1013.74:456:29
1113.84:446:30
1213.84:436:31
1313.84:426:32
1413.94:416:33
1513.94:406:33
1613.94:396:34
1713.94:396:35
1814.04:386:36
1914.04:376:37
2014.04:366:37
2114.04:366:38
2214.14:356:39
2314.14:346:40
2414.14:346:41
2514.14:336:41
2614.24:336:42
2714.24:326:43
2814.24:326:44
2914.24:316:44
3014.24:316:45
3114.34:306:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 8.1 kWh/m².

For context, solar energy here swings from a low near 2.91 kWh/m² to a high of 8.6 kWh/m² in June across the year — May's 8.1 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.8Intense
27.8Intense
37.8Intense
47.9Intense
57.9Intense
67.9Intense
77.9Intense
88.0Intense
98.0Intense
108.0Intense
118.0Intense
128.0Intense
138.0Intense
148.1Intense
158.1Intense
168.1Intense
178.1Intense
188.1Intense
198.1Intense
208.2Intense
218.2Intense
228.2Intense
238.2Intense
248.2Intense
258.3Intense
268.3Intense
278.3Intense
288.3Intense
298.3Intense
308.4Intense
318.4Intense
Planning a trip in May

Is May a good time to visit Las Vegas?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
3rd-best month of the year
8.4
Beach & pool
2nd-best month of the year

May is one of the better times to visit Las Vegas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Las Vegas in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Las Vegas sees daytime highs around 82°F and nights near 59°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Las Vegas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate
Location & terrain

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.

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.

2 miles
295 ft
10 miles
2,428 ft
50 miles
11,188 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
May weather nearby: North Las Vegas 1.9 mi · Winchester 3.1 mi · Sunrise Manor 4.3 mi · Paradise 5.6 mi · Spring Valley 7.5 mi · Whitney 7.5 mi · Summerlin South 11 mi · Enterprise 12 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).