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.
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.
The warmest days on record are:
| 9 Aug 1956 | 75.4°F |
| 8 Aug 1969 | 74.3°F |
| 1 Aug 1993 | 73°F |
| 4 Aug 1981 | 72°F |
| 26 Aug 1953 | 71.2°F |
The warmest months on average were:
| August 1969 | 63.4°F |
| August 1956 | 59.9°F |
| August 1984 | 59.7°F |
| July 1967 | 59.5°F |
| August 1983 | 59.3°F |
The coldest days on record are:
| 3 Dec 2011 | -2.2°F |
| 3 Feb 1964 | 5°F |
| 11 Feb 1965 | 6.1°F |
| 3 Feb 1967 | 6.1°F |
| 20 Jan 1975 | 6.1°F |
The coldest months on average were:
| December 2011 | 19.9°F |
| January 2012 | 21.5°F |
| January 1986 | 22.7°F |
| January 2007 | 22.8°F |
| February 1984 | 23.2°F |
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
The wettest days on record are:
| 17 September 1987 | 5 inches |
| 3 September 2006 | 4.5 inches |
| 19 September 1995 | 2.3 inches |
| 29 September 1973 | 2 inches |
| 12 September 1986 | 2 inches |
The wettest months on record are:
| May 1973 | 34 inches |
| March 1973 | 22.8 inches |
| April 1973 | 14.5 inches |
| February 1973 | 13.4 inches |
| January 1991 | 11.1 inches |
The driest months on record are:
| October 1942 | 0 inches |
| April 1943 | 0 inches |
| December 1944 | 0 inches |
| October 1943 | 0 inches |
| April 1944 | 0 inches |