Weather history and climate summary information is available for the following locations:
- Boston
- Chicopee Falls
- Nantucket
Warmest January Days
The warmest January days in Massachusetts are:
| Boston, Massachusetts | 1950 | 71.1°F |
| Chicopee Falls, Massachusetts | 2007 | 69.8°F |
| Boston, Massachusetts | 2007 | 69.1°F |
| Boston, Massachusetts | 2008 | 66.9°F |
| Chicopee Falls, Massachusetts | 1950 | 65.3°F |
Coldest January Days
The coldest January days in Massachusetts were:
| Chicopee Falls, Massachusetts | 1961 | -21.6°F |
| Chicopee Falls, Massachusetts | 2011 | -21.1°F |
| Chicopee Falls, Massachusetts | 1948 | -20.6°F |
| Chicopee Falls, Massachusetts | 1994 | -20°F |
| Chicopee Falls, Massachusetts | 1957 | -19.7°F |
Wettest January Days
The wettest single days in January occurred:
| Chicopee Falls, Massachusetts | 1986 | 2.2 inches |
| Chicopee Falls, Massachusetts | 1978 | 2.2 inches |
| Boston, Massachusetts | 1998 | 2 inches |
| Boston, Massachusetts | 1983 | 1.9 inches |
| Chicopee Falls, Massachusetts | 1976 | 1.9 inches |