|
Typical Boston December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 42.5 °F | |
| Average daily low | 29.4 °F | |
| Average monthly precipitation | 4.3 inches | |
| Average monthly snow | 9.1 inches | |
| Daily chance of precipitation | 38.3% | |
| Daily chance of snow | 13.5% | |
|
Boston December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 76 °F | December 7, 1998 |
| Lowest temperature | -17 °F | December 29, 1933 |
| Highest daily low | 59 °F | December 1, 2006 |
| Lowest daily high | 2 °F | December 30, 1917 |
| Hottest average high temperature | 51.7 °F | 2015 |
| Coldest average high temperature | 29.3 °F | 1989 |
| Most daily precipitation | 4.2 inches | December 12, 1992 |
| Most monthly precipitation | 9.7 inches | 1969 |
| Most daily snow | 13.0 inches | December 12, 1960 |
| Most monthly snow | 27.9 inches | 1970 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 46.5 | 33.3 | 71 | 10 |
| December 2 | 46.3 | 33.0 | 65 | 10 |
| December 3 | 46.1 | 32.8 | 69 | 6 |
| December 4 | 45.8 | 32.5 | 70 | 2 |
| December 5 | 45.3 | 32.1 | 66 | 4 |
| December 6 | 45.0 | 31.8 | 72 | 8 |
| December 7 | 44.8 | 31.6 | 76 | 4 |
| December 8 | 44.6 | 31.4 | 65 | -4 |
| December 9 | 44.5 | 31.3 | 70 | -8 |
| December 10 | 44.4 | 31.2 | 64 | -1 |
| December 11 | 44.0 | 30.9 | 68 | 3 |
| December 12 | 43.7 | 30.6 | 68 | 2 |
| December 13 | 43.3 | 30.3 | 63 | 4 |
| December 14 | 43.1 | 30.0 | 64 | 0 |
| December 15 | 42.8 | 29.7 | 66 | 8 |
| December 16 | 42.5 | 29.4 | 64 | 2 |
| December 17 | 42.1 | 29.0 | 64 | -4 |
| December 18 | 41.8 | 28.7 | 63 | -6 |
| December 19 | 41.5 | 28.4 | 64 | -7 |
| December 20 | 41.4 | 28.2 | 63 | -11 |
| December 21 | 41.2 | 27.9 | 65 | -5 |
| December 22 | 41.1 | 27.8 | 62 | 2 |
| December 23 | 41.1 | 27.7 | 67 | 3 |
| December 24 | 40.9 | 27.6 | 69 | 0 |
| December 25 | 40.6 | 27.3 | 62 | -7 |
| December 26 | 40.4 | 27.1 | 61 | -4 |
| December 27 | 40.2 | 26.9 | 61 | 0 |
| December 28 | 40.1 | 26.7 | 63 | 4 |
| December 29 | 40.1 | 26.6 | 73 | -17 |
| December 30 | 40.1 | 26.5 | 63 | -15 |
| December 31 | 39.9 | 26.3 | 65 | -8 |