Weather in South Boston in December
In an average December, South Boston sees a daily high around 41°F and a low around 29°F, based on 1980–2026 of local climate records.
| Average high | 41°F |
|---|---|
| Typical high range | 30°F to 53°F |
| Average low | 29°F |
| Typical low range | 18°F to 40°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
69°F
1998-12-07
Lowest
15°F
2017-12-29
Low
Highest
59°F
2006-12-01
Lowest
-3°F
1980-12-25
Feels-like
Highest
59°F
2006-12-01
Lowest
-27°F
1980-12-25
Humidity
Highest
12.1 g/m³
2001-12-01
Lowest
0.8 g/m³
1983-12-25
Wind
Highest
33 mph
1994-12-24
Lowest
4 mph
2021-12-31
Gust
Highest
80 mph
2024-12-12
Lowest
8 mph
2021-12-30
Precip
Wettest
8.26 in
2019
Driest
0.97 in
1989
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