West Valley City weather in August

In August, West Valley City sees average daytime highs of 88°F and overnight lows near 63°F, with 0.5 in of rain across 3.4 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 90°F in the first days to 85°F by the end. The sky is clear or mostly clear about 68% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is West Valley City's 3rd-clearest and 3rd-windiest month. For the whole year in context, see West Valley City's year-round climate.

Daytime high
88°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
0.5 in
3.4 wet days
Daylight
13 h 36 min
5:43 AM – 7:21 PM
Cloud cover
31%
3rd clearest
Wind
5 mph
3rd windiest
Solar energy
7.12 kWh/m²
Travel score
5.5
out of 10

West Valley City is city in Salt Lake County, Utah, United States.

Density
1,481/km²
people per km²
Founded
1980

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 90°F in the first days to 85°F by the end.

A typical August day in West Valley City reaches about 88°F in the afternoon and slips back to 63°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 95°F. Set against its neighbours, August runs about 2°F cooler than July and about 11°F warmer than September.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19064
29064
39064
49064
59064
69064
78964
88964
98964
108964
118964
128963
138963
148963
158963
168863
178863
188863
198862
208862
218762
228762
238762
248761
258661
268661
278661
288560
298560
308560
318459

How August really feels in West Valley City

Once humidity and wind are folded in, August averages 6 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
6
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.

West Valley City weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 20°2.19.78.69.40.0
Feb41° / 24°1.88.1610.40.2
Mar52° / 32°2.09.55.111.72.7
Apr59° / 38°2.611.23.513.14.4
May69° / 47°2.29.10.414.26.7
Jun80° / 55°1.14.4014.97.4
Jul90° / 64°0.42.8014.65.0
Aug88° / 63°0.53.4013.65.5
Sep77° / 53°1.44.7012.37.9
Oct62° / 41°1.86.61.210.96.1
Nov47° / 29°1.78.25.19.71.8
Dec36° / 21°1.98.87.99.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38416
48416
58416
68416
78515
88614
98614
108614
118614
128614
138713
148713
158713
168713
178614
188614
198614
208614
218614
228416
238416
248416
258416
268416
278416
288416
298416
308416
318416

Chance of precipitation in August

Any precipitation

West Valley City gets around 0.5 in of rain over 3.4 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 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
89
99
109
119
129
1310
1410
1510
1610
1711
1811
1911
2012
2112
2212
2312
2413
2513
2613
2713
2813
2913
3013
3113

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19361
29361
39361
49361
59451
69550
79550
89640
99640
109730
119730
129820
139820
149820
159820
169820
179820
189820
199820
209820
219820
229820
239820
249820
259820
269820
279730
289730
299730
309730
319730

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 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:28 AM to 5:58 AM, and sunset from 7:40 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:287:40
214.25:297:39
314.15:307:38
414.15:317:37
514.15:327:35
614.05:337:34
714.05:347:33
813.95:357:32
913.95:367:31
1013.95:377:29
1113.85:387:28
1213.85:397:27
1313.85:407:25
1413.75:417:24
1513.75:427:23
1613.65:437:21
1713.65:447:20
1813.65:457:18
1913.55:467:17
2013.55:477:15
2113.45:487:14
2213.45:497:12
2313.35:507:11
2413.35:517:09
2513.35:527:08
2613.25:537:06
2713.25:547:04
2813.15:557:03
2913.15:567:01
3013.05:576:59
3113.05:586:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.12 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 8.09 kWh/m² in June across the year — August's 7.12 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.3Intense
127.3Intense
137.3Intense
147.2Intense
157.2Intense
167.2Intense
177.1Intense
187.1Intense
197.0Intense
207.0Intense
217.0Intense
226.9Intense
236.9Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in August

Is August a good time to visit West Valley City?

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

5.5
Sightseeing
5th-best month of the year
8.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit West Valley City for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for West Valley City in August

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

In August, West Valley City sees daytime highs around 88°F and nights near 63°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in West Valley City in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in West Valley City peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in West Valley City 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 West Valley City is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1521 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Moderate
Apr10Good
May10Good
Jun9Good
Jul11Good
Aug14Moderate
Sep22Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is West Valley City?

West Valley City sits at 40.7°N, 112.0°W, 4,304 ft above sea level, in United States. The nearest listed city is Kearns, 2.5 mi away.

Topography around West Valley City

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

Within 2 miles, the terrain around West Valley City has only modest variations in elevation — a maximum elevation change of 354 ft around an average of 4,337 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,268 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,346 ft.

The land around West Valley City is covered by artificial surfaces (67%) within 2 miles, artificial surfaces (41%) and grassland (30%) within 10 miles, and grassland (39%) and trees (24%) within 50 miles.

2 miles
354 ft
10 miles
4,268 ft
50 miles
7,346 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kearns 2.5 mi · Taylorsville 3.7 mi · Magna 5.6 mi · Murray 6.2 mi · South Salt Lake 6.2 mi · West Jordan 6.8 mi · Millcreek 6.8 mi · Salt Lake City 7.5 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 West Valley City (40.6916°, -112.0011°, elevation 4,304 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. 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).