Victorville weather in August

In August, Victorville sees average daytime highs of 93°F and overnight lows near 67°F, with 0.2 in of rain across 1.7 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 93°F through the month. The sky is clear or mostly clear about 85% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Victorville's 3rd-clearest and 7th-windiest month. For the whole year in context, see Victorville's year-round climate.

Daytime high
93°
1st warmest
Overnight low
67°
12th coldest
Rainfall
0.2 in
1.7 wet days
Daylight
13 h 18 min
5:14 AM – 6:32 PM
Cloud cover
17%
3rd clearest
Wind
5 mph
7th windiest
Solar energy
7.42 kWh/m²
Travel score
3.9
out of 10

Victorville is city in the Victor Valley in San Bernardino County, California, United States.

Density
640/km²
people per km²
Founded
1895

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 93°F through the month.

A typical August day in Victorville reaches about 93°F in the afternoon and slips back to 67°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 99°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19467
29467
39467
49467
59467
69467
79467
89467
99467
109467
119467
129467
139467
149467
159467
169367
179367
189367
199367
209367
219367
229367
239367
249367
259367
269267
279267
289266
299266
309266
319266

How August really feels in Victorville

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.

Victorville weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan56° / 39°1.550.69.94.5
Feb59° / 40°1.95.70.810.75.0
Mar64° / 44°1.14.60.511.76.7
Apr70° / 47°0.62.80.112.88.1
May78° / 54°0.21.6013.88.6
Jun87° / 60°0.10.4014.36.2
Jul93° / 67°0.32.4014.13.9
Aug93° / 67°0.21.7013.33.9
Sep87° / 62°0.21012.26.3
Oct76° / 53°0.31.5011.18.8
Nov64° / 44°0.52.40.210.27.2
Dec55° / 38°1.33.90.39.74.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
49010
59010
69010
7919
8919
9928
10928
11937
12937
13937
14937
15946
16946
17946
18946
19937
20946
21946
22946
23946
24946
25946
26937
27928
28928
29928
30928
31928

Chance of precipitation in August

Any precipitation

Victorville gets around 0.2 in of rain over 1.7 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 6% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
116
126
136
146
156
166
176
186
196
206
216
226
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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
181154
282144
383143
483143
584133
684133
784133
885123
986122
1086122
1186122
1286122
1386122
1486113
1586113
1686113
1786113
1886113
1986113
2087103
2187103
2287103
238893
248893
258893
268893
278893
288893
298893
308893
318893

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 42 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 54 minutes over August. Sunrise moves from 5:03 AM to 5:25 AM, and sunset from 6:48 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:036:48
213.75:046:47
313.75:046:46
413.75:056:45
513.65:066:44
613.65:076:43
713.65:076:42
813.65:086:41
913.55:096:40
1013.55:106:39
1113.55:106:38
1213.45:116:37
1313.45:126:36
1413.45:136:35
1513.35:136:34
1613.35:146:32
1713.35:156:31
1813.25:166:30
1913.25:166:29
2013.25:176:28
2113.15:186:26
2213.15:196:25
2313.15:196:24
2413.05:206:22
2513.05:216:21
2613.05:226:20
2712.95:226:18
2812.95:236:17
2912.95:246:16
3012.85:256:14
3112.85:256:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.42 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.51 kWh/m² in June across the year — August's 7.42 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.6Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.4Intense
177.4Intense
187.4Intense
197.3Intense
207.3Intense
217.3Intense
227.2Intense
237.2Intense
247.2Intense
257.1Intense
267.1Intense
277.1Intense
287.0Intense
297.0Intense
306.9Intense
316.9Intense
Planning a trip in August

Is August a good time to visit Victorville?

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

3.9
Sightseeing
11th-best month of the year
7.7
Beach & pool
4th-best month of the year

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

What to pack for Victorville in August

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

In August, Victorville sees daytime highs around 93°F and nights near 67°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Victorville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Victorville peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Victorville 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 Victorville is worst in September — around 30 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1427 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr9Good
May9Good
Jun16Moderate
Jul12Good
Aug15Moderate
Sep30Moderate
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Victorville?

Victorville sits at 34.5°N, 117.3°W, 2,730 ft above sea level, in United States. The nearest listed city is Apple Valley, 6.2 mi away.

Topography around Victorville

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

Within 2 miles, the terrain around Victorville has only modest variations in elevation — a maximum elevation change of 614 ft around an average of 2,838 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,949 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,230 ft.

The land around Victorville is covered by artificial surfaces (39%) and bare terrain (34%) within 2 miles, grassland (34%), bare terrain (30%) and artificial surfaces (23%) within 10 miles, and bare terrain (41%) and shrubs (21%) within 50 miles.

2 miles
614 ft
10 miles
1,949 ft
50 miles
11,230 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Apple Valley 6.2 mi · Adelanto 7.5 mi · Hesperia 7.5 mi · Barstow Heights 27 mi · Highland 29 mi · Barstow 29 mi · San Bernardino 30 mi · Rialto 30 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 Victorville (34.5361°, -117.2912°, elevation 2,730 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).