Weather history and climate summary information is available for the following locations:
- Alexandria
- Lafayette
- Lake Charles
- Monroe
- New Orleans
- Shreveport
Warmest May Days
The warmest May days in Louisiana are:
| Monroe, Louisiana | 1998 | 103.6°F |
| Alexandria, Louisiana | 1998 | 100.9°F |
| Shreveport, Louisiana | 1998 | 100.9°F |
| Shreveport, Louisiana | 1998 | 100.4°F |
| Monroe, Louisiana | 1982 | 99.9°F |
Coldest May Days
The coldest May days in Louisiana were:
| Shreveport, Louisiana | 1960 | 40.3°F |
| Alexandria, Louisiana | 2005 | 41°F |
| Shreveport, Louisiana | 2011 | 41.4°F |
| Alexandria, Louisiana | 2011 | 42.1°F |
| Shreveport, Louisiana | 1954 | 42.4°F |
Wettest May Days
The wettest single days in May occurred:
| New Orleans, Louisiana | 1973 | 13.8 inches |
| Lake Charles, Louisiana | 1980 | 13.4 inches |
| New Orleans, Louisiana | 1995 | 12.4 inches |
| Lake Charles, Louisiana | 1973 | 11.8 inches |
| Monroe, Louisiana | 1995 | 10 inches |