Adelanto weather in April

In April, Adelanto sees average daytime highs of 69°F and overnight lows near 47°F, with 0.7 in of precipitation across 3.4 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 65°F in the first days to 73°F by the end. The sky is clear or mostly clear about 63% 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 18 min by month's end. Set against the rest of the year, April is Adelanto's 8th-clearest and 1st-windiest month. For the whole year in context, see Adelanto's year-round climate.

Daytime high
69°
7th warmest
Overnight low
47°
6th coldest
Precipitation
0.7 in
3.4 wet days
Daylight
12 h 54 min
5:24 AM – 6:16 PM
Cloud cover
34%
8th clearest
Wind
6 mph
1st windiest
Solar energy
7.1 kWh/m²
Travel score
7.8
out of 10

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

Density
229/km²
people per km²
Founded
1915

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 65°F in the first days to 73°F by the end.

A typical April day in Adelanto reaches about 69°F in the afternoon and slips back to 47°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 80°F. Set against its neighbours, April runs about 6°F warmer than March and about 8°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16545
26545
36545
46545
56545
66645
76645
86645
96646
106746
116746
126746
136746
146846
156846
166847
176947
186947
196947
207048
217048
227148
237149
247149
257249
267249
277250
287350
297350
307351

How April really feels in Adelanto

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.

Adelanto weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan55° / 39°1.95.31.59.94.1
Feb57° / 40°2.361.910.74.6
Mar62° / 43°1.45.51.111.76.3
Apr69° / 47°0.73.40.612.87.8
May77° / 53°0.32.1013.88.7
Jun86° / 60°0.10.8014.36.8
Jul92° / 66°0.43.1014.14.4
Aug92° / 67°0.32.6013.34.5
Sep85° / 62°0.31.6012.26.8
Oct75° / 54°0.41.8011.18.8
Nov63° / 44°0.62.70.410.26.9
Dec54° / 38°1.54.319.74.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% 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 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37129
47129
57129
67129
77228
87327
97327
107327
117426
127426
137525
147624
157723
167723
177822
187822
197822
207822
217921
227921
237921
247921
257921
267921
278020
288020
298020
307921

Chance of precipitation in April

Any precipitationSnow

Adelanto gets around 0.7 in of rain and snow over 3.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 11% and peaks near 15% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1153
2153
3143
4143
5143
6143
7133
8133
9123
10123
11123
12113
13112
14102
15102
16102
1792
1892
1991
2091
2191
2291
2391
2491
2591
2690
2790
2890
2990
3090

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 6 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
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
296calm
306calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 60 minutes over April. Sunrise moves from 5:45 AM to 5:07 AM, and sunset from 6:04 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:456:04
212.45:436:05
312.45:426:06
412.45:406:06
512.55:396:07
612.55:386:08
712.55:366:09
812.65:356:10
912.65:336:10
1012.75:326:11
1112.75:316:12
1212.75:296:13
1312.85:286:13
1412.85:276:14
1512.85:256:15
1612.95:246:16
1712.95:236:17
1812.95:216:17
1913.05:206:18
2013.05:196:19
2113.05:176:20
2213.15:166:21
2313.15:156:21
2413.15:146:22
2513.25:136:23
2613.25:116:24
2713.25:106:25
2813.35:096:25
2913.35:086:26
3013.35:076:27

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.1 kWh/m².

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 8.49 kWh/m² in June across the year — April's 7.1 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.8Intense
86.8Intense
96.8Intense
106.9Intense
116.9Intense
127.0Intense
137.0Intense
147.0Intense
157.1Intense
167.1Intense
177.2Intense
187.2Intense
197.3Intense
207.3Intense
217.3Intense
227.4Intense
237.4Intense
247.4Intense
257.5Intense
267.5Intense
277.5Intense
287.6Intense
297.6Intense
307.6Intense
Planning a trip in April

Is April a good time to visit Adelanto?

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

7.8
Sightseeing
3rd-best month of the year
4.3
Beach & pool
7th-best month of the year

April is one of the better times to visit Adelanto for general sightseeing.

What to pack for Adelanto in April

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

In April, Adelanto sees daytime highs around 69°F and nights near 47°F. Pack sun protection. About 3 days see rain.

sun protection

UV index in Adelanto 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 Adelanto peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 15UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Adelanto in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Adelanto is worst in September — around 39 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (May, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateSep 1537 µg/m³May 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May12Moderate
Jun15Moderate
Jul18Moderate
Aug22Moderate
Sep39Poor
Oct15Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Adelanto?

Adelanto sits at 34.6°N, 117.4°W, 2,871 ft above sea level, in United States. The nearest listed city is Victorville, 7.5 mi away.

Topography around Adelanto

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

Within 2 miles, the terrain around Adelanto has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 2,874 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,008 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,230 ft.

The land around Adelanto is covered by grassland (39%) and bare terrain (39%) within 2 miles, bare terrain (47%) and grassland (28%) within 10 miles, and bare terrain (39%), grassland (21%) and shrubs (20%) within 50 miles.

2 miles
157 ft
10 miles
2,008 ft
50 miles
11,230 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Victorville 7.5 mi · Hesperia 12 mi · Apple Valley 14 mi · Barstow Heights 28 mi · Barstow 31 mi · Rialto 33 mi · Highland 34 mi · San Bernardino 34 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 Adelanto (34.5828°, -117.4092°, elevation 2,871 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).