Stockton weather in July

In July, Stockton sees average daytime highs of 90°F and overnight lows near 61°F, with 0.0 in of rain across 0.1 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 90°F through the month. The sky is clear or mostly clear about 90% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Stockton's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Stockton's year-round climate.

Daytime high
90°
1st warmest
Overnight low
61°
12th coldest
Rainfall
0.0 in
0.1 wet days
Daylight
14 h 24 min
4:59 AM – 7:23 PM
Cloud cover
10%
2nd clearest
Wind
6 mph
3rd windiest
Solar energy
8.23 kWh/m²
Travel score
5.5
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 90°F through the month.

A typical July day in Stockton reaches about 90°F in the afternoon and slips back to 61°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 97°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18960
28961
39061
49061
59061
69061
79061
89061
99061
109061
119061
129061
139061
149061
159061
169061
179061
189061
199061
209061
219061
229061
239061
249061
259061
269061
279061
289061
299061
309061
319061

How July really feels in Stockton

Once humidity and wind are folded in, July averages 29 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
29
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Stockton weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2946
3946
4946
5955
6955
7955
8955
9964
10964
11964
12964
13964
14964
15955
16946
17946
18946
19946
20946
21946
22946
23946
24946
25946
26946
27946
28946
29946
30946
31946

Chance of precipitation in July

Any precipitation

Stockton gets around 0.0 in of rain over 0.1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
174251
273261
372271
471281
570291
669301
769301
868311
967321
1066331
1165341
1263352
1362362
1461372
1560382
1659392
1757403
1857403
1956413
2055423
2155423
2255423
2354433
2454433
2554433
2654433
2754433
2855423
2954424
3054424
3154424

Wind in July

Winds average 6 mph in July.

Across July, 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.

0246810151015202531
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
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:50 AM to 5:11 AM, and sunset from 7:27 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:507:27
214.64:517:27
314.64:517:26
414.64:527:26
514.64:527:26
614.64:537:26
714.54:537:26
814.54:547:26
914.54:547:25
1014.54:557:25
1114.54:567:25
1214.54:567:24
1314.44:577:24
1414.44:587:23
1514.44:587:23
1614.44:597:23
1714.45:007:22
1814.45:007:21
1914.35:017:21
2014.35:027:20
2114.35:037:20
2214.35:037:19
2314.25:047:18
2414.25:057:18
2514.25:067:17
2614.25:077:16
2714.15:077:15
2814.15:087:14
2914.15:097:14
3014.05:107:13
3114.05:117:12

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.23 kWh/m² — the sunniest month for solar.

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 — July's 8.23 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.4Intense
38.4Intense
48.4Intense
58.4Intense
68.3Intense
78.3Intense
88.3Intense
98.3Intense
108.3Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.2Intense
168.2Intense
178.2Intense
188.2Intense
198.2Intense
208.2Intense
218.1Intense
228.1Intense
238.1Intense
248.1Intense
258.1Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
317.9Intense
Planning a trip in July

Hazard calendar for Stockton

In seasonPeak

None of Stockton's seasonal hazards are active in July. 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 July a good time to visit Stockton?

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

5.5
Sightseeing
9th-best month of the year
8.7
Beach & pool
4th-best month of the year

July is a reasonable time to visit Stockton for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Stockton in July

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

In July, Stockton sees daytime highs around 90°F and nights near 61°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Stockton in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).