Anchorage, AK Climate

Summary Graph

The summary climate graph for Anchorage, 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 Anchorage, AK.


The warmest month in Merrill Field, Anchorage, Alaska is July with an average high temperature of 67.3°F. The hottest day on record was June 26 1953 when the temperature hit 84.9°F. During January the overnight temperature drops to an average of 9.0°F with the lowest temperature of -36.6°F being recorded on February 4 1947.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

26 Jun 195384.9°F
18 Jun 194884.4°F
12 Jul 195382.9°F
29 Jun 199782.4°F
8 Jul 200982°F

The warmest months on average were:

July 200572°F
July 199371°F
July 197770.9°F
July 194770.8°F
July 199770.5°F

The coldest days on record are:

4 Feb 1947-36.6°F
25 Jan 1947-32.6°F
15 Dec 1946-31.5°F
19 Jan 1951-31°F
29 Jan 1989-28.8°F

The coldest months on average were:

November 19740°F
January 2012-7.6°F
January 1947-6.4°F
December 1980-5.9°F
February 1979-3.9°F


The wettest month by average rainfall in Anchorage, AK is August with an average of 0.7 inches of rain falling on 14 to 15 days.Although in September it typically rains on more days with 0.7 inches falling in 14 to 15 days. The driest month by average rainfall in Anchorage, AK is May with an average of 0.1 inches of rain falling on 8 to 9 days. Although in March it typically rains on less days with 0.1 inches falling in 2 to 2 days

Wettest Days

The wettest days on record are:

4 May 19980.5 inches
16 May 20090.4 inches
26 May 19990.3 inches
25 May 20080.3 inches
28 May 20120.2 inches

Wettest Months

The wettest months on record are:

August 20066.1 inches
September 20126.1 inches
September 20054.8 inches
September 20074 inches
August 19994 inches

Driest Months

The driest months on record are:

September 19750 inches
March 19450 inches
April 19450 inches
May 19450 inches
June 19450 inches
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