Adak Island, AK Climate

Summary Graph

The summary climate graph for Adak Island, 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 Adak Island, AK.

Temperature

The warmest month in Adak Airport, Adak Island, Alaska is August with an average high temperature of 56.2°F. The hottest day on record was August 9 1956 when the temperature hit 75.4°F. During February the overnight temperature drops to an average of 29.0°F with the lowest temperature of -2.2°F being recorded on December 3 2011.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

9 Aug 195675.4°F
8 Aug 196974.3°F
1 Aug 199373°F
4 Aug 198172°F
26 Aug 195371.2°F

The warmest months on average were:

August 196963.4°F
August 195659.9°F
August 198459.7°F
July 196759.5°F
August 198359.3°F

The coldest days on record are:

3 Dec 2011-2.2°F
3 Feb 19645°F
11 Feb 19656.1°F
3 Feb 19676.1°F
20 Jan 19756.1°F

The coldest months on average were:

December 201119.9°F
January 201221.5°F
January 198622.7°F
January 200722.8°F
February 198423.2°F

Rain

The wettest month in Adak Island, AK is October with an average of 2.2 inches of rain falling on 22 to 23 days. The driest month by average rainfall in Adak Island, AK is June with an average of 0.9 inches of rain falling on 20 to 21 days. Although in February it typically rains on less days with 1.6 inches falling in 11 to 12 days

Wettest Days

The wettest days on record are:

17 April 19733 inches
9 April 19861.8 inches
24 April 20051.6 inches
18 April 19911.6 inches
12 April 19751.4 inches

Wettest Months

The wettest months on record are:

May 197334 inches
March 197322.8 inches
April 197314.5 inches
February 197313.4 inches
January 199111.1 inches

Driest Months

The driest months on record are:

October 19420 inches
April 19430 inches
December 19440 inches
October 19430 inches
April 19440 inches
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