Boston Weather: January
 |
Average Day Temperature: | 31.5°F |
|
Average Night Temperature: | 25.1°F |
|
Sea Water Temperature: | 39.8°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 9.1 - 10.0 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 2.6 in | |
|
Number of Snowy Days: | 1 day |
| detailed information | ||
forecast
| Boston |
Temperature
| Boston |
Air Temperature in January, °F
| Day Temperature | Night Temperature |
The highest day temperature in January 2025 was 44°F. The lowest night temperature was 7°F. The average values for day and night temperatures during January were 29.8°F и 20.7°F respectivly.
Boston Water Sea Temperature in January, °F
The average sea surface temperature in January 2025 for Boston was 36.9°F. The maximum and minimum values were 33.6°F and 39.4°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in January, in
Precipitation total in January for Boston is 2.6 in.
The average wind speed in January is 10.8 mph. It makes January the most windy month of the year for Boston.
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 January is 5.1 hours.
Boston on the Weather Map
| Boston |  |
+34 |
| Chicago | |
+48 |
| Hawaii | |
+76 |
| Honolulu | |
+76 |
| Houston | |
+68 |
| Las Vegas |  |
+58 |
| Los Angeles | |
+58 |
| Miami | |
+74 |
| New York | |
+44 |
| Orlando |  |
+68 |
| San Diego | |
+56 |
| San Francisco | |
+50 |
| Sarasota | |
+66 |
| Tampa | |
+68 |
| Washington | |
+48 |
| 1200 |  |
38°F | S 10 mph |
| 1500 | |
40°F | SE 9 mph |
| 1800 | |
40°F | SE 9 mph |
| 2100 | |
42°F | SE 10 mph |
| 0000 | |
42°F | SE 9 mph |
| 0300 |  |
40°F | SE 7 mph |
| 0600 | |
40°F | SE 6 mph |
| 0900 |  |
48°F | SE 7 mph |