Weather in Boston in December
Boston offers cool weather with occasional showers (avg 2°C, 10 rainy days). Weather score: 4.1/10 · Okay
Avg temp
2°C
Daytime high
5.9°C
Night low
-1.7°C
Rainy days
10
Sun per day
5.6 h
Boston climate table – all 12 months
| Month | Avg temp | High | Low | Rainy days | Sun/day | Score |
|---|---|---|---|---|---|---|
| January | -1.5°C | 2.6°C | -5.6°C | 10 | 6 h | 4.1/10 |
| February | -1.1°C | 3.9°C | -6°C | 10 | 6.6 h | 4.1/10 |
| March | 2.2°C | 7.2°C | -2.6°C | 11 | 8.1 h | 5.6/10 |
| April | 8.2°C | 13.1°C | 3.7°C | 12 | 8.5 h | 6.8/10 |
| May | 14.6°C | 19.6°C | 9.7°C | 11 | 10.3 h | 7.6/10 |
| June | 19.6°C | 24.6°C | 14.9°C | 11 | 11.2 h | 8.8/10 |
| July | 23.4°C | 28.3°C | 19°C | 11 | 11.4 h | 8/10 |
| August | 22.8°C | 27.6°C | 18.5°C | 10 | 10.9 h | 8.8/10 |
| September | 18.9°C | 23.5°C | 15°C | 9 | 8.9 h | 9.3/10 |
| October | 13°C | 17.3°C | 9.2°C | 10 | 7.3 h | 6.9/10 |
| November | 6.1°C | 10.5°C | 2.1°C | 9 | 6.5 h | 6.6/10 |
| December | 2°C | 5.9°C | -1.7°C | 10 | 5.6 h | 4.1/10 |
Top alternatives in December
Chile
Santiago · ⭐ 10
Thailand
Bangkok · ⭐ 10
Thailand
Thailand · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Australia
Perth · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Frequently asked questions about Boston in December
How warm is it in Boston in December?
In December, Boston averages 2°C, with daytime highs of 5.9°C and night lows of -1.7°C.
Does it rain a lot in Boston in December?
December sees around 10 rainy days and about 119.7 mm of rainfall in Boston.
Is December a good month to visit Boston?
December scores 4.1/10 for Boston. Boston offers cool weather with occasional showers (avg 2°C, 10 rainy days).