Bethel, AK Climate

Summary Graph

The summary climate graph for Bethel, AK 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 Bethel, AK.


The warmest month in Bethel, Alaska is July with an average high temperature of 63.3°F. The hottest day on record was August 10 2003 when the temperature hit 87.1°F. During January the overnight temperature drops to an average of -0.4°F with the lowest temperature of -51.5°F being recorded on January 19 1947.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

10 Aug 200387.1°F
6 Jul 200884.9°F
13 Jul 195184°F
22 Aug 197784°F
4 Aug 200284°F

The warmest months on average were:

July 200471.1°F
July 198870.2°F
August 200468.7°F
July 195368.3°F
June 200568.1°F

The coldest days on record are:

19 Jan 1947-51.5°F
29 Jan 1989-48.1°F
21 Jan 1973-45.4°F
31 Dec 1948-44°F
4 Jan 1949-44°F

The coldest months on average were:

January 2012-23.6°F
February 1990-22.5°F
January 1989-20.5°F
February 1984-19.5°F
December 1999-17.8°F


The wettest month in Bethel, AK is August with an average of 1.9 inches of rain falling on 21 to 22 days. The driest month in Bethel, AK is February with an average of 0.5 inches of rain falling on 3 to 4 days.

Wettest Days

The wettest days on record are:

18 May 19733.2 inches
21 May 20060.6 inches
6 May 20020.6 inches
5 May 20050.4 inches
27 May 20030.4 inches

Wettest Months

The wettest months on record are:

April 197315 inches
December 19928.3 inches
May 19737.5 inches
September 20076.9 inches
August 20016.5 inches

Driest Months

The driest months on record are:

February 19450 inches
March 19450 inches
April 19450 inches
May 19450 inches
June 19450 inches
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