The summary climate graph for Gulkana, 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 Gulkana, Alaska is July with an average high temperature of 69.2°F. The hottest day on record was July 26 1953 when the temperature hit 91.0°F. During January the overnight temperature drops to an average of -13.2°F with the lowest temperature of -64.5°F being recorded on February 3 1947.
The warmest days on record are:
| 26 Jul 1953 | 91°F |
| 11 Jun 1999 | 89.6°F |
| 27 Jun 2004 | 89.6°F |
| 26 Jul 1955 | 89.1°F |
| 7 Jun 1957 | 89.1°F |
The warmest months on average were:
| August 2004 | 75.5°F |
| July 2009 | 75.2°F |
| July 1951 | 74.8°F |
| July 1953 | 74.6°F |
| July 1947 | 74.6°F |
The coldest days on record are:
| 3 Feb 1947 | -64.5°F |
| 31 Jan 1947 | -59.6°F |
| 14 Dec 1964 | -58°F |
| 12 Jan 1972 | -56.9°F |
| 18 Jan 1971 | -56°F |
The coldest months on average were:
| January 1982 | -34.8°F |
| February 1979 | -33.4°F |
| December 1980 | -33°F |
| January 1959 | -30.1°F |
| January 1996 | -29.4°F |
The wettest month by average rainfall in Gulkana, AK is May with an average of 1.0 inches of rain falling on 8 to 9 days.Although in July it typically rains on more days with 1.0 inches falling in 13 to 14 days. The driest month by average rainfall in Gulkana, AK is January with an average of 0.3 inches of rain falling on 0 to 1 days. Although in March it typically rains on less days with 0.4 inches falling in 0 to 1 days
The wettest days on record are:
| 20 July 1977 | 1.5 inches |
| 30 July 1980 | 1.3 inches |
| 29 July 2008 | 1.1 inches |
| 21 July 1988 | 0.9 inches |
| 8 July 1991 | 0.9 inches |
The wettest months on record are:
| May 1973 | 35.6 inches |
| April 1973 | 17.1 inches |
| June 1977 | 9.2 inches |
| March 1973 | 8.2 inches |
| March 1995 | 6.1 inches |
The driest months on record are:
| February 1945 | 0 inches |
| March 1945 | 0 inches |
| April 1945 | 0 inches |
| May 1945 | 0 inches |
| June 1945 | 0 inches |