Las Vegas weather in August

In August, Las Vegas sees average daytime highs of 30°C and overnight lows near 23°C, with 218 mm of rain across 27.7 wet days and about 12.3 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Las Vegas's 7th-clearest and 8th-windiest month. For the whole year in context, see Las Vegas's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
2nd coldest
Rainfall
218 mm
27.7 wet days
Daylight
12 h 18 min
5:59 AM – 6:18 PM
Cloud cover
78%
7th clearest
Wind
5 km/h
8th windiest
Solar energy
4.52 kWh/m²
Travel score
2.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Las Vegas reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How August really feels in Las Vegas

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Las Vegas weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 23°92.211.53.4
Feb35° / 24°81.911.72.8
Mar36° / 25°305.111.92.3
Apr34° / 25°13515.112.22.4
May32° / 24°26724.412.42.6
Jun30° / 23°2722612.52.8
Jul30° / 23°2452812.52.8
Aug30° / 23°21827.712.32.8
Sep31° / 23°19326.112.12.7
Oct32° / 23°1722511.82.7
Nov32° / 23°11118.511.63.0
Dec33° / 23°407.511.53.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61981
71981
82080
92080
102080
112080
122179
132080
142080
152080
162080
171981
181981
191882
201981
211981
222080
232080
242080
251981
262080
272080
282080
292179
302179
312179

Chance of precipitation in August

Any precipitation

Las Vegas gets around 218 mm of rain over 27.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 92% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
692
792
892
992
1092
1191
1291
1391
1491
1590
1690
1790
1889
1989
2089
2188
2288
2387
2487
2587
2687
2786
2886
2986
3086
3186

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18515
28515
38416
48416
58416
68317
78317
88317
98218
108218
118218
128119
138119
148119
158119
168119
178119
188020
198020
208020
218020
228020
237921
247921
257921
267822
277822
287723
297723
307624
317624

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
35calm
45calm
55calm
65calm
75calm
85calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
265calm
275calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 5:58 AM to 5:59 AM, and sunset from 6:23 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:586:23
212.45:586:23
312.45:586:23
412.45:586:22
512.45:586:22
612.45:586:22
712.45:596:22
812.45:596:21
912.45:596:21
1012.45:596:21
1112.45:596:20
1212.35:596:20
1312.35:596:19
1412.35:596:19
1512.35:596:19
1612.35:596:18
1712.35:596:18
1812.35:596:17
1912.35:596:17
2012.35:596:16
2112.35:596:16
2212.35:596:15
2312.35:596:15
2412.35:596:14
2512.25:596:14
2612.25:596:13
2712.25:596:13
2812.25:596:12
2912.25:596:12
3012.25:596:11
3112.25:596:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.87 kWh/m² in March across the year — August's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.8Bright
Planning a trip in August

Hazard calendar for Las Vegas

In seasonPeak

In August, Las Vegas sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Las Vegas's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Las Vegas?

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

2.8
Sightseeing
4th-best month of the year
3.9
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Las Vegas.

What to pack for Las Vegas in August

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

In August, Las Vegas sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Las Vegas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (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 February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 22UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Las Vegas in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Las Vegas is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2233 µg/m³Dec 2014 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep21Moderate
Oct21Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is Las Vegas?

Las Vegas sits at 9.5°N, 68.6°W, 120 m above sea level, in Venezuela. The nearest listed city is San Carlos, 15 km away.

Topography around Las Vegas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Las Vegas.

Within 3 km, the terrain around Las Vegas has only modest variations in elevation — a maximum elevation change of 27 m around an average of 115 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,700 m.

The land around Las Vegas is covered by grassland (50%) and trees (29%) within 3 km, grassland (53%) and trees (41%) within 16 km, and trees (48%) and grassland (40%) within 80 km.

3 km
27 m
16 km
195 m
80 km
1,700 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: San Carlos 15 km · Tinaco 28 km · San Rafael de Onoto 41 km · Tinaquillo 55 km · El Pao 56 km · Villa Bruzual 58 km · Acarigua 62 km · Píritu 66 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

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 (9.5372°, -68.6302°, elevation 120 m), 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).