Boston Weather: December
 |
Average Day Temperature: | 38.2°F |
|
Average Night Temperature: | 32.1°F |
|
Sea Water Temperature: | 44.5°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 9.1 - 9.3 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 3.1 in | |
| detailed information | ||
forecast
| Boston |
Temperature
| Boston |
Air Temperature in December, °F
The highest day temperature in December 2024 was 56°F. The lowest night temperature was 8°F. The average values for day and night temperatures during December were 36.0°F и 28.6°F respectivly.
Boston Water Sea Temperature in December, °F
The average sea surface temperature in December 2024 for Boston was 42.0°F. The maximum and minimum values were 38.2°F and 45.6°F respectively.
You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Boston is 3.1 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 9.9 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Boston in December is 4.8 hours.
Boston on the Weather Map
| Boston |  |
+22 |
| Chicago | |
+22 |
| Hawaii | |
+76 |
| Honolulu | |
+76 |
| Houston |  |
+38 |
| Las Vegas | |
+40 |
| Los Angeles |  |
+58 |
| Miami | |
+72 |
| New York | |
+26 |
| Orlando | |
+48 |
| San Diego | |
+58 |
| San Francisco | |
+52 |
| Sarasota | |
+58 |
| Tampa | |
+54 |
| Washington | |
+22 |
| 0600 |  |
20°F | SE 11 mph |
| 0900 |  |
20°F | SE 14 mph |
| 1200 | |
24°F | SE 14 mph |
| 1500 |  |
26°F | SE 14 mph |
| 1800 | |
22°F | SE 14 mph |
| 2100 |  |
20°F | SE 15 mph |
| 0000 | |
20°F | SE 14 mph |
| 0300 | |
20°F | E 14 mph |