St. Paul Island, AK Climate

Summary Graph

The summary climate graph for St. Paul 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 St. Paul Island, AK.


The warmest month in St Paul Island, St. Paul Island, Alaska is August with an average high temperature of 51.5°F. The hottest day on record was August 26 1987 when the temperature hit 66.0°F. During February the overnight temperature drops to an average of 19.5°F with the lowest temperature of -18.0°F being recorded on March 14 1971.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

26 Aug 198766°F
8 Jul 200864.9°F
29 Jul 197964°F
14 Aug 201264°F
20 Jul 197763°F

The warmest months on average were:

July 200556.1°F
August 200555.8°F
August 197755.6°F
August 200254.9°F
August 199354.8°F

The coldest days on record are:

14 Mar 1971-18°F
19 Feb 1984-15°F
25 Mar 1975-14.1°F
30 Jan 1976-14.1°F
14 Mar 2010-14.1°F

The coldest months on average were:

May 19460°F
February 19762.7°F
February 19915°F
February 19845.3°F
March 20105.7°F


The wettest month in St. Paul Island, AK is August with an average of 1.9 inches of rain falling on 22 to 23 days. The driest month in St. Paul Island, AK is March with an average of 0.7 inches of rain falling on 6 to 7 days.

Wettest Days

The wettest days on record are:

29 September 19931.6 inches
13 September 19861.4 inches
18 September 19851.4 inches
4 September 19961.3 inches
17 September 19871.1 inches

Wettest Months

The wettest months on record are:

April 19739.4 inches
May 19737.1 inches
October 19876.2 inches
August 19865.6 inches
October 20105.5 inches

Driest Months

The driest months on record are:

January 19460 inches
December 19430 inches
November 19680 inches
February 19640 inches
October 19640 inches