Stockton, CA

Climate overview — based on NOAA 1991-2020 normals from STOCKTON FIRE STN 4, CA US.

BSk Semi-arid (cold) climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Stockton has an annual average temperature of 63.9°F with about 17.3 inches of precipitation per year. The warmest month is August (average high 94.9°F), and the coldest is December (average low 39.0°F). January is typically the wettest month (3.57 in) and July the driest (0.00 in).

Annual swing
29°F
warmest to coldest month
Heating need
1,884
Cooling need
1,473

Best time to visit Stockton

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Stockton's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1900s
0
1910s
0
1920s
21
1930s
31
1940s
33
1950s
21
1960s
16
1970s
34
1980s
45
1990s
53
2000s
91
2010s
21

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 58.2°F 39.3°F 48.8°F 3.57 in 12
February 64.5°F 42.2°F 53.3°F 3.13 in 10
March 70.0°F 45.6°F 57.8°F 2.36 in 8
April 75.0°F 49.4°F 62.2°F 1.45 in 5
May 83.1°F 54.2°F 68.7°F 0.57 in 3
June 90.5°F 58.2°F 74.3°F 0.13 in 1
July 94.7°F 61.0°F 77.8°F 0.00 in 0
August 94.9°F 59.8°F 77.4°F 0.02 in 0
September 91.9°F 57.1°F 74.5°F 0.08 in 1
October 81.8°F 50.9°F 66.4°F 1.01 in 3
November 68.8°F 43.7°F 56.2°F 1.82 in 6
December 58.7°F 39.0°F 48.9°F 3.15 in 10

Climate twins of Stockton

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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