The summary climate graph for Mountain Home, ID 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 Mountain Home Air Force Base, Mountain Home, Idaho is July with an average high temperature of 93.6°F. The hottest day on record was July 22 2006 when the temperature hit 111.2°F. During January the overnight temperature drops to an average of 23.1°F with the lowest temperature of -35.5°F being recorded on February 9 1933.
The warmest days on record are:
| 22 Jul 2006 | 111.2°F |
| 20 Jul 1989 | 109.9°F |
| 18 Jul 1998 | 109.4°F |
| 20 Jul 1960 | 109°F |
| 6 Aug 1983 | 109°F |
The warmest months on average were:
| July 2006 | 99.3°F |
| July 1989 | 99.2°F |
| July 1960 | 98.7°F |
| July 2012 | 98.3°F |
| July 1988 | 98.2°F |
The coldest days on record are:
| 9 Feb 1933 | -35.5°F |
| 22 Jan 1962 | -22°F |
| 22 Dec 1990 | -21.8°F |
| 11 Dec 1972 | -21.6°F |
| 12 Dec 1932 | -17.5°F |
The coldest months on average were:
| December 1932 | 6.7°F |
| December 1985 | 7.2°F |
| February 1933 | 7.4°F |
| December 1990 | 12°F |
| January 1979 | 12.5°F |
The wettest month by average rainfall in Mountain Home, ID is December with an average of 0.6 inches of rain falling on 7 to 8 days.Although in May it typically rains on more days with 0.5 inches falling in 9 to 10 days. The driest month in Mountain Home, ID is August with an average of 0.1 inches of rain falling on 4 to 5 days.
The wettest days on record are:
| 20 May 1981 | 1 inches |
| 29 May 1990 | 0.9 inches |
| 23 May 2010 | 0.9 inches |
| 9 May 2005 | 0.9 inches |
| 27 May 1998 | 0.7 inches |
The wettest months on record are:
| December 2010 | 4.2 inches |
| May 2005 | 3.6 inches |
| December 1983 | 3.5 inches |
| March 1993 | 3.2 inches |
| March 1983 | 3 inches |
The driest months on record are:
| February 1932 | 0 inches |
| March 1932 | 0 inches |
| April 1932 | 0 inches |
| May 1932 | 0 inches |
| June 1932 | 0 inches |