Spring Valley weather in August

In August, Spring Valley sees average daytime highs of 98°F and overnight lows near 74°F, with 0.5 in of rain across 2.7 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 99°F in the first days to 96°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 Spring Valley's 4th-clearest and 6th-windiest month. For the whole year in context, see Spring Valley's year-round climate.

Daytime high
98°
2nd warmest
Overnight low
74°
11th coldest
Rainfall
0.5 in
2.7 wet days
Daylight
13 h 24 min
5:04 AM – 6:27 PM
Cloud cover
24%
4th clearest
Wind
5 mph
6th windiest
Solar energy
7.28 kWh/m²
Travel score
2.2
out of 10

Spring Valley is census-designated place in Clark County, Nevada, United States.

Density
2,071/km²
people per km²
Founded
1981

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 99°F in the first days to 96°F by the end.

A typical August day in Spring Valley reaches about 98°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 92°F and 104°F. Set against its neighbours, August runs about 1°F cooler than July and about 8°F warmer than September.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19976
29976
39976
49976
59976
69975
79975
89975
99975
109975
119975
129975
139975
149875
159875
169874
179874
189874
199874
209874
219874
229874
239774
249774
259774
269773
279673
289673
299673
309673
319572

How August really feels in Spring Valley

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.

Spring Valley weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan55° / 38°0.83.69.84.4
Feb59° / 40°1.14.310.65.5
Mar67° / 46°0.63.211.77.4
Apr74° / 52°0.3212.98.5
May84° / 60°0.21.213.97.2
Jun94° / 69°0.10.414.43.6
Jul99° / 75°0.32.714.21.6
Aug98° / 74°0.52.713.42.2
Sep90° / 67°0.31.412.25.1
Oct77° / 55°0.31.711.18.5
Nov64° / 44°0.41.510.17.1
Dec54° / 37°0.82.99.64.0

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 (%)
18416
28416
38416
48416
58515
68515
78713
88713
98713
108812
118812
128911
139010
149010
159010
169010
179010
18919
19919
20919
21919
22919
23928
24919
25919
26919
27919
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Spring Valley gets around 0.5 in of rain over 2.7 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
89
99
109
118
128
138
148
158
168
178
188
198
208
218
228
238
248
258
268
278
288
298
307
317

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1831052
2831052
385951
485951
585951
685951
786851
886851
987751
1088741
1188741
1288741
1390640
1490640
1590640
1690640
1790640
1890640
1990640
2090640
2190640
2290640
2388651
2488651
2588651
2688651
2788651
2888651
2988651
3088651
3189641

Wind in August

Winds average 5 mph in August.

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

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
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 5:16 AM, and sunset from 6:43 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:516:43
213.84:526:42
313.84:536:41
413.84:546:40
513.74:556:39
613.74:556:38
713.74:566:37
813.64:576:36
913.64:586:35
1013.64:596:34
1113.55:006:32
1213.55:006:31
1313.55:016:30
1413.45:026:29
1513.45:036:28
1613.45:046:27
1713.35:046:25
1813.35:056:24
1913.35:066:23
2013.25:076:21
2113.25:086:20
2213.25:086:19
2313.15:096:18
2413.15:106:16
2513.15:116:15
2613.05:126:13
2713.05:136:12
2813.05:136:11
2912.95:146:09
3012.95:156:08
3112.85:166:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.28 kWh/m².

For context, solar energy here swings from a low near 2.94 kWh/m² to a high of 8.61 kWh/m² in June across the year — August's 7.28 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.2Intense
207.2Intense
217.2Intense
227.1Intense
237.1Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.9Intense
306.8Intense
316.8Intense
Planning a trip in August

Is August a good time to visit Spring Valley?

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

2.2
Sightseeing
11th-best month of the year
5.6
Beach & pool
6th-best month of the year

August is a weaker month for outdoor sightseeing in Spring Valley.

What to pack for Spring Valley in August

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

In August, Spring Valley sees daytime highs around 98°F and nights near 74°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Spring Valley 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 Spring Valley 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 Spring Valley?

Spring Valley sits at 36.1°N, 115.2°W, 2,365 ft above sea level, in United States. The nearest listed city is Summerlin South, 5.0 mi away.

Topography around Spring Valley

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Spring Valley.

Within 2 miles, the terrain around Spring Valley has only modest variations in elevation — a maximum elevation change of 361 ft around an average of 2,388 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,255 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,168 ft.

The land around Spring Valley is covered by artificial surfaces (82%) within 2 miles, artificial surfaces (61%) and bare terrain (34%) within 10 miles, and bare terrain (66%) within 50 miles.

2 miles
361 ft
10 miles
3,255 ft
50 miles
11,168 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
August weather nearby: Summerlin South 5.0 mi · Paradise 5.6 mi · Enterprise 5.6 mi · Winchester 7.5 mi · Las Vegas 7.5 mi · North Las Vegas 9.3 mi · Whitney 12 mi · Sunrise Manor 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 Spring Valley (36.108°, -115.245°, elevation 2,365 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).