Weather in Boston in December
In an average December, Boston sees a daily high around 40°F and a low around 27°F, based on 1980–2026 of local climate records.
| Average high | 40°F |
|---|---|
| Typical high range | 29°F to 54°F |
| Average low | 27°F |
| Typical low range | 15°F to 39°F |
| Average daily precipitation | 0.10 in |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
71°F
1998-12-07
Lowest
12°F
1983-12-25
Low
Highest
60°F
2006-12-01
Lowest
-7°F
1980-12-26
Feels-like
Highest
60°F
2006-12-01
Lowest
-28°F
1980-12-25
Humidity
Highest
12.2 g/m³
2001-12-01
Lowest
0.7 g/m³
1983-12-25
Wind
Highest
28 mph
1994-12-24
Lowest
4 mph
2017-12-03
Gust
Highest
78 mph
2023-12-18
Lowest
7 mph
2021-12-30
Precip
Wettest
7.79 in
2019
Driest
0.97 in
1988
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