Stockton weather in April

In April, Stockton sees average daytime highs of 73°F and overnight lows near 50°F, with 1.6 in of rain across 5.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 76°F by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Stockton's 7th-clearest and 3rd-windiest month. For the whole year in context, see Stockton's year-round climate.

Daytime high
73°
7th warmest
Overnight low
50°
6th coldest
Rainfall
1.6 in
5.2 wet days
Daylight
13 hours
5:36 AM – 6:35 PM
Cloud cover
45%
7th clearest
Wind
6 mph
3rd windiest
Solar energy
6.27 kWh/m²
Travel score
7.7
out of 10

Stockton is county seat of San Joaquin County, California, United States.

Density
1,823/km²
people per km²
Founded
1849

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 69°F in the first days to 76°F by the end.

A typical April day in Stockton reaches about 73°F in the afternoon and slips back to 50°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 83°F. Set against its neighbours, April runs about 6°F warmer than March and about 7°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16948
26948
36949
47049
57049
67049
77049
87049
97049
107149
117149
127149
137149
147250
157250
167250
177350
187350
197351
207451
217451
227451
237551
247552
257652
267652
277652
287653
297753
307753

How April really feels in Stockton

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.

Stockton 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° / 42°4.08.99.74.4
Feb62° / 44°3.88.910.55.4
Mar67° / 47°3.18.711.76.5
Apr73° / 50°1.65.2137.7
May80° / 55°0.93.4147.9
Jun87° / 59°0.20.814.66.4
Jul90° / 61°0.00.114.45.5
Aug89° / 61°0.10.113.55.8
Sep85° / 58°0.10.612.37.0
Oct77° / 53°1.02.8118.5
Nov65° / 46°1.95.89.96.6
Dec57° / 41°3.78.99.44.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35545
45545
55743
65743
75743
85743
95743
105842
115842
125941
135941
146040
156040
166139
176139
186139
196238
206238
216337
226337
236436
246436
256535
266535
276535
286535
296733
306733

Chance of precipitation in April

Any precipitation

Stockton gets around 1.6 in of rain over 5.2 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 18% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
222
322
422
522
621
721
821
921
1021
1121
1220
1320
1420
1519
1619
1718
1818
1917
2016
2116
2215
2315
2414
2514
2613
2713
2813
2913
3012

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9982
10982
11982
12973
13973
14973
15973
16964
17964
18964
19964
20955
21955
22955
23955
24946
25946
26946
27946
28946
29946
30946

Wind in April

Winds average 6 mph in April.

Across April, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
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 24 min at the start of April to 13 h 30 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 5:59 AM to 5:17 AM, and sunset from 6:21 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:596:21
212.45:576:22
312.45:566:23
412.55:546:24
512.55:536:25
612.65:516:25
712.65:496:26
812.75:486:27
912.75:466:28
1012.75:456:29
1112.85:436:30
1212.85:426:31
1312.95:406:32
1412.95:396:33
1512.95:376:34
1613.05:366:35
1713.05:356:36
1813.15:336:37
1913.15:326:38
2013.15:306:39
2113.25:296:40
2213.25:276:40
2313.35:266:41
2413.35:256:42
2513.35:236:43
2613.45:226:44
2713.45:216:45
2813.45:206:46
2913.55:186:47
3013.55:176:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.27 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 8.23 kWh/m² in July across the year — April's 6.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
106.0Bright
116.0Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.8Intense
276.8Intense
286.8Intense
296.9Intense
306.9Intense
Planning a trip in April

Hazard calendar for Stockton

In seasonPeak

None of Stockton's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Stockton's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Stockton?

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

7.7
Sightseeing
3rd-best month of the year
5.6
Beach & pool
7th-best month of the year

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

What to pack for Stockton in April

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

In April, Stockton sees daytime highs around 73°F and nights near 50°F. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

UV index in Stockton in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stockton peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highVery highHighModerateJun 20UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Stockton 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 Stockton is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 2126 µg/m³Jun 138 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr12Good
May9Good
Jun8Good
Jul11Good
Aug27Moderate
Sep23Moderate
Oct17Moderate
Nov19Moderate
Dec14Moderate
Location & terrain

Where is Stockton?

Stockton sits at 38.0°N, 121.3°W, 13 ft above sea level, in United States. The nearest listed city is Lathrop, 9.3 mi away.

Topography around Stockton

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

Within 2 miles, the terrain around Stockton has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,259 ft.

The land around Stockton is covered by artificial surfaces (76%) within 2 miles, cropland (39%), trees (24%) and artificial surfaces (20%) within 10 miles, and grassland (42%) and trees (25%) within 50 miles.

2 miles
69 ft
10 miles
210 ft
50 miles
4,259 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Lathrop 9.3 mi · Manteca 12 mi · Lodi 12 mi · Tracy 17 mi · Ripon 17 mi · Galt 21 mi · Brentwood 22 mi · Oakley 23 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 Stockton (37.9577°, -121.2908°, elevation 13 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).