Stockton, CA Climate

Summary Graph

The summary climate graph for Stockton, CA shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Stockton, CA.


The warmest month in Stockton Metropolitan, Stockton, California is July with an average high temperature of 94.8°F. The hottest day on record was July 24 2006 when the temperature hit 115.0°F. During December the overnight temperature drops to an average of 37.6°F with the lowest temperature of 17.1°F being recorded on December 22 1990.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

24 Jul 2006115°F
26 Jul 1980110.8°F
21 Jun 1973109.9°F
11 Jul 2002109.9°F
6 Jul 2007109.9°F

The warmest months on average were:

July 2006102.3°F
July 2005101.1°F
July 200399.8°F
June 198199.7°F
August 200598.9°F

The coldest days on record are:

22 Dec 199017.1°F
4 Feb 197419.4°F
24 Dec 199819.4°F
15 Jan 200719.9°F
14 Feb 199020.1°F

The coldest months on average were:

January 197629.7°F
December 199029.9°F
December 197630.4°F
December 201130.4°F
January 200730.7°F


The wettest month in Stockton, CA is January with an average of 2.2 inches of rain falling on 8 to 9 days. The driest month by average rainfall in Stockton, CA is July with an average of 0.1 inches of rain falling on 0 to 1 days. Although in August it typically rains on less days with 0.2 inches falling in 0 to 1 days

Wettest Days

The wettest days on record are:

6 January 19733.9 inches
3 January 20061.4 inches
28 January 19811.3 inches
27 January 19831.3 inches
5 January 20081.2 inches

Wettest Months

The wettest months on record are:

February 197317.6 inches
January 197315.9 inches
May 197314.1 inches
March 19739.2 inches
February 19988.5 inches

Driest Months

The driest months on record are:

March 19410 inches
April 19410 inches
May 19410 inches
June 19410 inches
July 19410 inches
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