Weather history and climate summary information is available for the following locations:
- Biloxi
- Colombus
- Jackson
- Meridian
Warmest May Days
The warmest May days in Mississippi are:
| Jackson, Mississippi | 1951 | 99.3°F |
| Jackson, Mississippi | 1989 | 98.8°F |
| Jackson, Mississippi | 1953 | 97.3°F |
| Jackson, Mississippi | 1954 | 97.3°F |
| Colombus, Mississippi | 1996 | 97°F |
Coldest May Days
The coldest May days in Mississippi were:
| Meridian, Mississippi | 1976 | 38.8°F |
| Meridian, Mississippi | 2011 | 39°F |
| Meridian, Mississippi | 2004 | 39°F |
| Colombus, Mississippi | 1944 | 39.4°F |
| Meridian, Mississippi | 2002 | 39.9°F |
Wettest May Days
The wettest single days in May occurred:
| Meridian, Mississippi | 1973 | 13.8 inches |
| Biloxi, Mississippi | 1978 | 8.5 inches |
| Biloxi, Mississippi | 1980 | 5.9 inches |
| Colombus, Mississippi | 1983 | 4.4 inches |
| Jackson, Mississippi | 1982 | 3.9 inches |