Oakland, CA Climate

Summary Graph

The summary climate graph for Oakland, 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 Oakland, CA.


The warmest month in Metropolitan Oakland International, Oakland, California is September with an average high temperature of 73.2°F. The hottest day on record was September 28 2010 when the temperature hit 100.0°F. During January the overnight temperature drops to an average of 43.7°F with the lowest temperature of 24.3°F being recorded on December 22 1990.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

28 Sep 2010100°F
24 Jun 199399.9°F
15 May 200899°F
24 Aug 201099°F
12 Sep 197998.1°F

The warmest months on average were:

September 201080.2°F
September 198479.6°F
September 197879.2°F
September 197978.8°F
September 199778.8°F

The coldest days on record are:

22 Dec 199024.3°F
16 Jan 200728°F
17 Jan 201228°F
24 Dec 201128.9°F
6 Feb 198929.1°F

The coldest months on average were:

December 199037.3°F
January 200738°F
December 197838.6°F
December 201139.1°F
January 201239.4°F


The wettest month in Oakland, CA is March with an average of 1.6 inches of rain falling on 8 to 9 days. The driest month by average rainfall in Oakland, CA is August with an average of 0.1 inches of rain falling on 1 to 2 days. Although in July it typically rains on less days with 0.3 inches falling in 1 to 2 days

Wettest Days

The wettest days on record are:

5 January 20081.9 inches
4 January 19741.6 inches
15 January 19791.3 inches
5 January 19781.3 inches
16 January 19731.2 inches

Wettest Months

The wettest months on record are:

December 20058.3 inches
December 20127.4 inches
December 20106.8 inches
March 20066.7 inches
July 19766.6 inches

Driest Months

The driest months on record are:

February 19430 inches
March 19430 inches
April 19430 inches
May 19430 inches
June 19430 inches
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