Barstow weather in April

In April, Barstow sees average daytime highs of 74°F and overnight lows near 50°F, with 0.3 in of rain across 1.5 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 71°F in the first days to 78°F by the end. The sky is clear or mostly clear about 68% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Barstow's 8th-clearest and 2nd-windiest month. For the whole year in context, see Barstow's year-round climate.

Daytime high
74°
7th warmest
Overnight low
50°
6th coldest
Rainfall
0.3 in
1.5 wet days
Daylight
12 h 54 min
5:22 AM – 6:15 PM
Cloud cover
29%
8th clearest
Wind
10 mph
2nd windiest
Solar energy
7.41 kWh/m²
Travel score
8.7
out of 10

Barstow is city in San Bernardino County, California, United States.

Density
221/km²
people per km²
Founded
1947

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 71°F in the first days to 78°F by the end.

A typical April day in Barstow reaches about 74°F in the afternoon and slips back to 50°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 85°F. Set against its neighbours, April runs about 6°F warmer than March and about 9°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17147
27147
37148
47148
57148
67248
77248
87248
97248
107248
117349
127349
137349
147349
157449
167450
177450
187550
197551
207651
217651
227651
237752
247752
257752
267853
277853
287853
297954
307954

How April really feels in Barstow

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Barstow weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 38°0.73.39.95.2
Feb62° / 41°0.93.710.76.3
Mar68° / 46°0.52.511.77.8
Apr74° / 50°0.31.512.98.7
May83° / 57°0.10.313.87.8
Jun92° / 65°0.00.214.34.4
Jul98° / 72°0.21.114.12.2
Aug97° / 71°0.10.613.32.5
Sep90° / 64°0.10.612.25.2
Oct78° / 54°0.21.111.18.7
Nov65° / 43°0.31.410.27.6
Dec57° / 37°0.62.59.74.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67822
77822
87822
97822
107921
118020
128020
138020
148020
158119
168218
178218
188218
198317
208317
218317
228317
238317
248317
258317
268416
278416
288416
298416
308416

Chance of precipitation in April

Any precipitation

Barstow gets around 0.3 in of rain over 1.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
36
46
56
66
76
86
95
105
115
125
135
145
154
164
174
184
194
204
214
224
234
244
254
264
274
284
293
303

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 10 mph in April.

Across April, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:43 AM to 5:05 AM, and sunset from 6:03 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:436:03
212.45:416:03
312.45:406:04
412.45:396:05
512.55:376:06
612.55:366:07
712.65:346:07
812.65:336:08
912.65:326:09
1012.75:306:10
1112.75:296:11
1212.75:276:11
1312.85:266:12
1412.85:256:13
1512.85:236:14
1612.95:226:15
1712.95:216:15
1812.95:196:16
1913.05:186:17
2013.05:176:18
2113.15:166:19
2213.15:146:19
2313.15:136:20
2413.25:126:21
2513.25:116:22
2613.25:096:23
2713.35:086:24
2813.35:076:24
2913.35:066:25
3013.45:056:26

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.41 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 8.65 kWh/m² in June across the year — April's 7.41 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.9Intense
46.9Intense
57.0Intense
67.0Intense
77.0Intense
87.1Intense
97.1Intense
107.2Intense
117.2Intense
127.3Intense
137.3Intense
147.3Intense
157.4Intense
167.4Intense
177.5Intense
187.5Intense
197.6Intense
207.6Intense
217.7Intense
227.7Intense
237.7Intense
247.8Intense
257.8Intense
267.8Intense
277.8Intense
287.9Intense
297.9Intense
307.9Intense
Planning a trip in April

Is April a good time to visit Barstow?

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

8.7
Sightseeing
1st-best month of the year
7.0
Beach & pool
5th-best month of the year

April is one of the better times to visit Barstow for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Barstow in April

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

In April, Barstow sees daytime highs around 74°F and nights near 50°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Barstow in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Barstow peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 17UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate
Location & terrain

Where is Barstow?

Barstow sits at 34.9°N, 117.0°W, 2,175 ft above sea level, in United States. The nearest listed city is Barstow Heights, 2.5 mi away.

Topography around Barstow

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

Within 2 miles, the terrain around Barstow has only modest variations in elevation — a maximum elevation change of 525 ft around an average of 2,211 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,096 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,891 ft.

The land around Barstow is covered by bare terrain (55%) and artificial surfaces (35%) within 2 miles, bare terrain (91%) within 10 miles, and bare terrain (69%) within 50 miles.

2 miles
525 ft
10 miles
2,096 ft
50 miles
8,891 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Barstow Heights 2.5 mi · Apple Valley 29 mi · Victorville 29 mi · Adelanto 31 mi · Hesperia 36 mi · Highland 54 mi · San Bernardino 57 mi · Rialto 58 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 Barstow (34.8986°, -117.0228°, elevation 2,175 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).