The summary climate graph for Delta Junction, 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 Allen Army Air Field, Delta Junction, Alaska is July with an average high temperature of 70.5°F. The hottest day on record was May 25 2002 when the temperature hit 91.9°F. During January the overnight temperature drops to an average of -10.2°F with the lowest temperature of -61.6°F being recorded on December 14 1946.
The warmest days on record are:
| 25 May 2002 | 91.9°F |
| 5 Jul 1958 | 91°F |
| 16 Jun 1969 | 91°F |
| 26 Jul 1955 | 90°F |
| 7 Aug 1994 | 90°F |
The warmest months on average were:
| June 2004 | 76.8°F |
| July 1990 | 75.9°F |
| July 2009 | 75.7°F |
| June 1958 | 75.2°F |
| July 1994 | 74.8°F |
The coldest days on record are:
| 14 Dec 1946 | -61.6°F |
| 29 Dec 1961 | -61.1°F |
| 30 Jan 1947 | -60.5°F |
| 11 Dec 1964 | -60°F |
| 2 Feb 1947 | -59.6°F |
The coldest months on average were:
| January 1971 | -32.3°F |
| February 1979 | -31.1°F |
| January 2012 | -30.1°F |
| December 1964 | -29°F |
| February 1950 | -28.6°F |
The wettest month in Delta Junction, AK is July with an average of 1.7 inches of rain falling on 13 to 14 days. The driest month in Delta Junction, AK is March with an average of 0.3 inches of rain falling on 0 to 1 days.
The wettest days on record are:
| 24 December 1974 | 3.6 inches |
| 18 December 1975 | 1.8 inches |
| 5 December 1976 | 0.6 inches |
| 14 December 1994 | 0.4 inches |
| 5 December 1996 | 0.3 inches |
The wettest months on record are:
| December 1974 | 47.8 inches |
| April 1973 | 19.7 inches |
| May 1973 | 19.5 inches |
| August 1975 | 10.1 inches |
| February 1975 | 7.8 inches |
The driest months on record are:
| November 1945 | 0 inches |
| December 1945 | 0 inches |
| January 1946 | 0 inches |
| February 1946 | 0 inches |
| March 1946 | 0 inches |