Weather history and climate summary information is available for the following locations:
- Biloxi
- Colombus
- Jackson
- Meridian
Warmest December Days
The warmest December days in Mississippi are:
| Jackson, Mississippi | 1978 | 84°F |
| Jackson, Mississippi | 1951 | 83.3°F |
| Jackson, Mississippi | 1982 | 82.9°F |
| Colombus, Mississippi | 1978 | 82.9°F |
| Jackson, Mississippi | 1956 | 82.4°F |
Coldest December Days
The coldest December days in Mississippi were:
| Colombus, Mississippi | 1989 | -1.8°F |
| Meridian, Mississippi | 1989 | 1.9°F |
| Colombus, Mississippi | 1962 | 3.4°F |
| Jackson, Mississippi | 1989 | 3.9°F |
| Meridian, Mississippi | 1983 | 7°F |
Wettest December Days
The wettest single days in December occurred:
| Jackson, Mississippi | 1982 | 6.7 inches |
| Colombus, Mississippi | 1990 | 6.5 inches |
| Meridian, Mississippi | 1973 | 6.3 inches |
| Colombus, Mississippi | 1983 | 5.2 inches |
| Biloxi, Mississippi | 2009 | 5.1 inches |