Using over 550,000 weather observations from over 300 US weather stations to help you understand what the chance of rain...shine...snow is on any given day
The single hottest days in March occurred:
| Brownsville, Texas | 1984 | 106°F |
| Harlingen, Texas | 1984 | 102.9°F |
| Alice, Texas | 1984 | 102.9°F |
| Palm Springs, California | 2004 | 102.9°F |
| Alice, Texas | 1952 | 102.4°F |
The single coldest days in March occurred:
| Northway, Alaska | 1956 | -56°F |
| Barrow, Alaska | 1971 | -51°F |
| Northway, Alaska | 2007 | -50.1°F |
| Northway, Alaska | 1951 | -49°F |
| Delta Junction, Alaska | 1964 | -49°F |
The wettest single days in March occurred:
| Key West, Florida | 1974 | 17.1 inches |
| Lynchburg, Virginia | 1973 | 13.8 inches |
| Mobile, Alabama | 1973 | 13 inches |
| Meridian, Mississippi | 1973 | 13 inches |
| Macon, Georgia | 1973 | 13 inches |