The summary climate graph for Biloxi, MS 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 Keesler Air Force Base, Biloxi, Mississippi is August with an average high temperature of 89.9°F. The hottest day on record was August 5 1947 when the temperature hit 104.4°F. During January the overnight temperature drops to an average of 45.4°F with the lowest temperature of 10.0°F being recorded on January 11 1962.
The warmest days on record are:
| 5 Aug 1947 | 104.4°F |
| 4 Jun 2011 | 102.2°F |
| 30 Aug 1951 | 100.9°F |
| 21 Jul 1962 | 100.9°F |
| 8 Aug 1962 | 100.9°F |
The warmest months on average were:
| August 1999 | 95.2°F |
| July 1977 | 94.5°F |
| July 1981 | 94.2°F |
| August 2011 | 94.2°F |
| August 1995 | 94.1°F |
The coldest days on record are:
| 11 Jan 1962 | 10°F |
| 24 Jan 1963 | 10°F |
| 13 Dec 1962 | 12°F |
| 21 Jan 1985 | 12°F |
| 19 Jan 1977 | 12.2°F |
The coldest months on average were:
| January 1977 | 35.7°F |
| December 1963 | 35.7°F |
| January 1978 | 38.1°F |
| January 1948 | 38.2°F |
| February 1978 | 38.3°F |
The wettest month in Biloxi, MS is July with an average of 4.3 inches of rain falling on 16 to 17 days. The driest month in Biloxi, MS is October with an average of 1.4 inches of rain falling on 6 to 7 days.
The wettest days on record are:
| 25 January 1978 | 4.9 inches |
| 7 January 1998 | 4.7 inches |
| 21 January 1990 | 3.9 inches |
| 11 January 1991 | 3.6 inches |
| 8 January 1975 | 2.7 inches |
The wettest months on record are:
| September 1998 | 29.5 inches |
| January 1998 | 20.1 inches |
| July 1997 | 18 inches |
| April 1980 | 17.1 inches |
| August 1987 | 16.9 inches |
The driest months on record are:
| June 1942 | 0 inches |
| July 1942 | 0 inches |
| August 1942 | 0 inches |
| September 1942 | 0 inches |
| October 1942 | 0 inches |