Tacoma, WA Climate

Summary Graph

The summary climate graph for Tacoma, WA 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 Tacoma, WA.


The warmest month in Mc Chord Air Force Base, Tacoma, Washington is July with an average high temperature of 77.0°F. The hottest day on record was July 30 2009 when the temperature hit 104.4°F. During January the overnight temperature drops to an average of 33.1°F with the lowest temperature of -5.6°F being recorded on January 22 1943.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

30 Jul 2009104.4°F
16 Jul 1941100.4°F
2 Jul 194299.3°F
10 Jun 195599°F
9 Aug 198199°F

The warmest months on average were:

July 195884.4°F
August 196783.7°F
July 200983.7°F
July 194183°F
July 198582.9°F

The coldest days on record are:

22 Jan 1943-5.6°F
18 Jan 1950-5.1°F
1 Feb 1950-0.9°F
30 Dec 19680°F
29 Dec 19900°F

The coldest months on average were:

January 195018.7°F
January 194919.7°F
January 195725.3°F
January 194325.7°F
January 197925.7°F


The wettest month in Tacoma, WA is November with an average of 6.3 inches of rain falling on 9 to 10 days. The driest month by average rainfall in Tacoma, WA is July with an average of 0.8 inches of rain falling on 3 to 4 days. Although in August it typically rains on less days with 1.1 inches falling in 3 to 4 days

Wettest Days

The wettest days on record are:

10 July 19951.5 inches
14 July 19571.2 inches
2 July 19791.2 inches
9 July 19741 inches
8 July 19460.9 inches

Wettest Months

The wettest months on record are:

November 199013.1 inches
November 200613 inches
January 195312.4 inches
January 199012.1 inches
January 200611.7 inches

Driest Months

The driest months on record are:

July 19440 inches
July 19580 inches
September 19750 inches
August 19670 inches
July 19840 inches