Average Temperatures for Massachusetts in December
Average temperatures for December at cities, towns and lakes throughout Massachusetts are listed below in degrees Fahrenheit and Celsius.
You can jump to a separate table for each region of the state: Cape Cod and Islands, Eastern , Central and Western Massachusetts.
The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
Cape Cod and Islands
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 44 | 31 | Chatham | 7 | 0 |
| 46 | 31 | Edgartown | 8 | 0 |
| 44 | 29 | Hyannis | 7 | -2 |
| 45 | 32 | Nantucket | 7 | 0 |
| 45 | 29 | Vineyard Haven, Martha's Vineyard | 7 | -2 |
Eastern Massachusetts
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 42 | 29 | Boston | 6 | -2 |
| 44 | 26 | Brockton | 7 | -3 |
| 44 | 27 | East Wareham | 7 | -3 |
| 40 | 26 | Great Blue Hill, Milton | 4 | -4 |
| 40 | 22 | Haverhill | 5 | -5 |
| 43 | 27 | Hingham | 6 | -3 |
| 42 | 24 | Marblehead | 5 | -4 |
| 43 | 28 | New Bedford | 6 | -2 |
| 46 | 28 | Plymouth | 8 | -2 |
| 43 | 26 | Taunton | 6 | -4 |
Central Massachusetts
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 39 | 21 | Amherst | 4 | -6 |
| 40 | 19 | Barre Falls Reservoir Dam | 4 | -7 |
| 39 | 21 | Buffumville Lake | 4 | -6 |
| 39 | 23 | East Brimfield Lake | 4 | -5 |
| 40 | 22 | Lowell | 4 | -6 |
| 38 | 22 | Tully Lake | 4 | -6 |
| 40 | 22 | Westfield | 4 | -6 |
| 38 | 23 | Worcester | 3 | -5 |
Western Massachusetts
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 36 | 19 | Lenox Dale | 2 | -7 |
| 38 | 22 | North Adams | 3 | -6 |
| 36 | 21 | Pittsfield | 2 | -6 |
| 36 | 19 | Worthington | 2 | -7 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.