Stockton weather in October

In October, Stockton sees average daytime highs of 77°F and overnight lows near 53°F, with 1.0 in of rain across 2.8 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 81°F in the first days to 72°F by the end. The sky is clear or mostly clear about 69% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Stockton's 5th-clearest and 11th-windiest month. For the whole year in context, see Stockton's year-round climate.

Daytime high
77°
6th warmest
Overnight low
53°
7th coldest
Rainfall
1.0 in
2.8 wet days
Daylight
11 hours
6:20 AM – 5:20 PM
Cloud cover
27%
5th clearest
Wind
4 mph
11th windiest
Solar energy
4.36 kWh/m²
Travel score
8.5
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 81°F in the first days to 72°F by the end.

A typical October day in Stockton reaches about 77°F in the afternoon and slips back to 53°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 86°F. Set against its neighbours, October runs about 8°F cooler than September and about 12°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18256
28256
38156
48156
58155
68055
78055
88055
98055
107954
117954
127954
137854
147854
157853
167853
177753
187753
197653
207652
217652
227552
237552
247451
257451
267451
277351
287350
297250
307250
317149

How October really feels in Stockton

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28812
38812
48812
58713
68713
78614
88515
98416
108416
118317
128218
138218
148218
158218
168020
178020
188020
198020
207921
217921
227921
237822
247921
257822
267822
277723
287624
297525
307525
317426

Chance of precipitation in October

Any precipitation

Stockton gets around 1.0 in of rain over 2.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
46
56
66
77
87
97
107
117
127
137
148
158
168
178
188
199
209
2110
2210
2310
2411
2511
2612
2712
2813
2913
3013
3114

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184160
285150
386140
486140
587130
687121
788111
888111
989101
1089101
119091
129091
139181
149181
159271
169271
179271
189271
199361
209361
219361
229361
239361
249451
259451
269451
279550
289550
299550
309550
319550

Wind in October

Winds average 4 mph in October.

Across October, 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.

0246810151015202531
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
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:06 AM to 6:36 AM, and sunset from 5:43 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:065:43
211.66:075:41
311.56:085:39
411.56:095:38
511.46:105:36
611.46:105:35
711.46:115:33
811.36:125:32
911.36:135:30
1011.26:145:29
1111.26:155:27
1211.26:165:26
1311.16:175:24
1411.16:185:23
1511.06:195:22
1611.06:205:20
1711.06:215:19
1810.96:225:17
1910.96:235:16
2010.86:245:15
2110.86:255:13
2210.86:265:12
2310.76:275:11
2410.76:285:10
2510.76:295:08
2610.66:305:07
2710.66:325:06
2810.56:335:05
2910.56:345:04
3010.56:355:03
3110.46:365:02

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.36 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 — October's 4.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in October

Hazard calendar for Stockton

In seasonPeak

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

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

8.5
Sightseeing
1st-best month of the year
7.5
Beach & pool
6th-best month of the year

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

What to pack for Stockton in October

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

In October, Stockton sees daytime highs around 77°F and nights near 53°F. Worth packing: light clothes.

light clothes

UV index in Stockton in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — 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 October

GoodModeratePoorUnhealthyVery unhealthy

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