Azusa weather in April

In April, Azusa sees average daytime highs of 68°F and overnight lows near 47°F, with 1.0 in of precipitation across 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 71°F by the end. The sky is clear or mostly clear about 56% 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 Azusa's 8th-clearest and 5th-windiest month. For the whole year in context, see Azusa's year-round climate.

Daytime high
68°
7th warmest
Overnight low
47°
6th coldest
Precipitation
1.0 in
4 wet days
Daylight
12 h 54 min
5:26 AM – 6:17 PM
Cloud cover
38%
8th clearest
Wind
4 mph
5th windiest
Solar energy
6.75 kWh/m²
Travel score
7.6
out of 10

Azusa is city in Los Angeles County, California, United States.

Density
1,984/km²
people per km²
Founded
1887

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 71°F by the end.

A typical April day in Azusa reaches about 68°F in the afternoon and slips back to 47°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 79°F. Set against its neighbours, April runs about 5°F warmer than March and about 5°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16546
26546
36546
46546
56546
66546
76646
86646
96646
106646
116746
126746
136747
146747
156747
166847
176847
186847
196948
206948
216948
227049
237049
247049
257149
267149
277150
287150
297150
307250

Azusa 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
Jan59° / 42°3.55.91.1105.3
Feb60° / 43°3.86.91.510.75.2
Mar63° / 45°2.56.7111.76.3
Apr68° / 47°1.040.312.87.6
May73° / 53°0.53013.88.5
Jun81° / 58°0.10.7014.28.5
Jul86° / 64°0.42.10146.4
Aug88° / 65°0.21.9013.36.0
Sep84° / 61°0.31.8012.27.5
Oct76° / 55°0.82.6011.18.7
Nov66° / 47°0.92.90.210.27.6
Dec59° / 42°2.45.20.79.85.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36733
46733
56832
66832
76832
86931
96931
107030
117030
127030
137030
147129
157129
167228
177228
187228
197228
207228
217228
227327
237327
247327
257426
267426
277426
287327
297327
307327

Chance of precipitation in April

Any precipitationSnow

Azusa gets around 1.0 in of rain and snow over 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 13% and peaks near 18% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1183
2182
3182
4172
5172
6162
7162
8162
9152
10152
11142
12142
13132
14132
15131
16121
17121
18121
19121
20121
21121
22111
23111
24111
25111
26110
27110
28110
29110
30110

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 4 mph in April.

Across April, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:47 AM to 5:10 AM, and sunset from 6:06 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:476:06
212.45:456:07
312.45:446:07
412.45:436:08
512.55:416:09
612.55:406:10
712.55:386:10
812.65:376:11
912.65:366:12
1012.65:346:13
1112.75:336:14
1212.75:326:14
1312.75:306:15
1412.85:296:16
1512.85:286:17
1612.95:266:17
1712.95:256:18
1812.95:246:19
1913.05:226:20
2013.05:216:21
2113.05:206:21
2213.15:196:22
2313.15:186:23
2413.15:166:24
2513.25:156:24
2613.25:146:25
2713.25:136:26
2813.35:126:27
2913.35:116:28
3013.35:106:28

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.75 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 8.18 kWh/m² in June across the year — April's 6.75 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.4Intense
86.4Intense
96.5Intense
106.5Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.8Intense
176.8Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.1Intense
257.1Intense
267.1Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in April

Is April a good time to visit Azusa?

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

7.6
Sightseeing
4th-best month of the year
3.9
Beach & pool
7th-best month of the year

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

What to pack for Azusa in April

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

In April, Azusa sees daytime highs around 68°F and nights near 47°F. Pack sun protection. About 4 days see rain.

sun protection

Sea temperature near Azusa in April

The nearest coast averages about 59°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 mi away) is warmest in August at about 68°F and coldest in February near 59°F.

It's comfortable for a long swim from Aug 4 to Sep 13 — about 1.3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan59Bracing
Feb59Bracing
Mar59Bracing
Apr59Cool
May62Cool
Jun65Cool
Jul67Cool
Aug68Refreshing
Sep68Refreshing
Oct66Cool
Nov63Cool
Dec60Cool

UV index in Azusa 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 Azusa peaks around July 11 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 11UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Azusa 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 Azusa 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 Azusa?

Azusa sits at 34.1°N, 117.9°W, 610 ft above sea level, in United States. The nearest listed city is Glendora, 2.5 mi away.

Topography around Azusa

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

Within 2 miles, the terrain around Azusa has significant variations in elevation — a maximum elevation change of 1,759 ft around an average of 673 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,164 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.

The land around Azusa is covered by artificial surfaces (65%) within 2 miles, artificial surfaces (44%), shrubs (26%) and trees (23%) within 10 miles, and artificial surfaces (26%) and grassland (20%) within 50 miles.

2 miles
1,759 ft
10 miles
5,164 ft
50 miles
10,013 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Glendora 2.5 mi · Covina 3.1 mi · Duarte 3.7 mi · Baldwin Park 4.3 mi · West Covina 5.0 mi · Monrovia 5.6 mi · San Dimas 6.2 mi · Valinda 6.2 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 Azusa (34.1336°, -117.9076°, elevation 610 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).