Weather history and climate summary information is available for the following locations:
- Albany
- Buffalo
- New York
- Newburgh
- Rochester
- Syracuse
- Watertown
- West Hampton Beach
Warmest May Days
The warmest May days in New York are:
| New York, New York | 1996 | 97°F |
| Syracuse, New York | 1977 | 96.1°F |
| New York, New York | 1987 | 96.1°F |
| New York, New York | 1986 | 95°F |
| New York, New York | 2007 | 95°F |
Coldest May Days
The coldest May days in New York were:
| Watertown, New York | 1986 | 21°F |
| Watertown, New York | 2005 | 23°F |
| Albany, New York | 1985 | 23°F |
| Watertown, New York | 1983 | 23.9°F |
| West Hampton Beach, New York | 2008 | 24.1°F |
Wettest May Days
The wettest single days in May occurred:
| Buffalo, New York | 1973 | 7.1 inches |
| New York, New York | 1973 | 7.1 inches |
| Rochester, New York | 1973 | 6.3 inches |
| Syracuse, New York | 1991 | 5.6 inches |
| Syracuse, New York | 1990 | 5.6 inches |