Weather in Boston in Winter
| December | January | February | ||||
| Average day temperature: | ||||||
| Average day temperature: | 39.5°F | 33.4°F | 34.9°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 34.1°F | 27.9°F | 28.0°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 45.2°F | 41.0°F | 38.4°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 12 days | 12 days | 10 days | |||
| Day length: | ||||||
| Day length: | 9.1 - 9.3 h. | 9.1 - 10.0 h. | 9.3 - 11.2 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 4 days | 3 days | 3 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 3.3 in. | 2.8 in. | 3.0 in. | |||
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Boston
Boston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boston
Local time: 05:39
December 18, wednesday
0600
37°F
E
6 mph
6 mph
0900
37°F
NE
6 mph
6 mph
1200
43°F
NE
6 mph
6 mph
1500
45°F
NE
7 mph
7 mph
1800
41°F
N
7 mph
7 mph
2100
41°F
N
1 mph
1 mph
December 19, thursday
0000
41°F
S
5 mph
5 mph
0300
39°F
E
5 mph
5 mph
