Las Vegas weather in August

In August, Las Vegas sees average daytime highs of 96°F and overnight lows near 74°F, with 0.4 in of rain across 2 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 98°F in the first days to 94°F by the end. The sky is clear or mostly clear about 76% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Las Vegas's 3rd-clearest and 6th-windiest month. For the whole year in context, see Las Vegas's year-round climate.

Daytime high
96°
2nd warmest
Overnight low
74°
11th coldest
Rainfall
0.4 in
2 wet days
Daylight
13 h 24 min
5:03 AM – 6:26 PM
Cloud cover
24%
3rd clearest
Wind
6 mph
6th windiest
Solar energy
7.31 kWh/m²
Travel score
2.8
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 98°F in the first days to 94°F by the end.

A typical August day in Las Vegas reaches about 96°F in the afternoon and slips back to 74°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 90°F and 102°F. Set against its neighbours, August runs about 2°F cooler than July and about 8°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19875
29875
39875
49875
59775
69775
79774
89774
99774
109774
119774
129774
139774
149774
159774
169774
179774
189674
199674
209674
219673
229673
239673
249673
259573
269573
279573
289572
299472
309472
319472

How August really feels in Las Vegas

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
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 2nd-warmest and 6th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28416
38416
48416
58515
68515
78515
88713
98713
108812
118812
128911
139010
149010
159010
169010
179010
18919
19919
20919
21919
22919
23919
24919
25919
26919
27919
289010
299010
308911
318911

Chance of precipitation in August

Any precipitation

Las Vegas gets around 0.4 in of rain over 2 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 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
67
77
87
96
106
116
126
135
145
155
165
175
185
195
205
215
225
236
246
256
266
276
286
296
306
316

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
186941
286941
387931
487931
587931
687931
788831
888831
989821
1090721
1191720
1292620
1392620
1492620
1592620
1692620
1792620
1892620
1991630
2092530
2192530
2292530
2392530
2492530
2592530
2691540
2791540
2892530
2992530
3092530
3192530

Wind in August

Winds average 6 mph in August.

Across August, daily wind ranges from about 5 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
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 4:51 AM to 5:15 AM, and sunset from 6:42 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:516:42
213.84:526:41
313.84:526:40
413.84:536:40
513.74:546:39
613.74:556:38
713.74:566:36
813.64:576:35
913.64:576:34
1013.64:586:33
1113.64:596:32
1213.55:006:31
1313.55:016:30
1413.55:016:29
1513.45:026:27
1613.45:036:26
1713.45:046:25
1813.35:056:24
1913.35:066:22
2013.25:066:21
2113.25:076:20
2213.25:086:18
2313.15:096:17
2413.15:106:16
2513.15:106:14
2613.05:116:13
2713.05:126:12
2813.05:136:10
2912.95:146:09
3012.95:146:07
3112.85:156:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.31 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 — August's 7.31 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.4Intense
147.4Intense
157.4Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.2Intense
217.2Intense
227.2Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.8Intense
316.8Intense
Planning a trip in August

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
11th-best month of the year
6.4
Beach & pool
5th-best month of the year

August is a weaker month for outdoor sightseeing in Las Vegas. The water and warmth also suit a beach or pool day.

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 96°F and nights near 74°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Las Vegas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (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
August 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).