Swim in Boston in december 2024What is the temperature of the sea in in december?
Average sea temperature in Boston in december 2024.
In december, according to seasonal norms, the sea temperature in Boston is:
Minimum: 42°F
Average: 47°F
Maximum: 52°F
Other useful seasonal weather averages in december:
- Outside temperature: 33°F to 41°F
- Most common weather: "Clear/Sunny"
- The wind blows at -2.5mph
- It rains a total of 6.1in, over 7 day(s).
Should we swim in Boston in december?
No... The water temperature in Boston in december is freezing
You won't be able to swim in Boston in december! The water temperature is freezing, reaching as low as 42°F (and only 52°F at best)! Our advice: if you are going to Boston this month, plan to sightsee and forget the beach!
Note also that in december, the climate is very bad with an average outside temperature of 37°F, 6in of precipitation (over 7 days) and 81.85 % humidity.
Water and normal seasonal temperatures in Boston in december
| December | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 42°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 38°F | ||
| Maximum outside temperature | 41°F | ||
| Minimum outside temperature | 34°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 25°F | ||
| Precipitation | 6.1in | ||
| Number of days of rain | 7 jour(s) (24%) | ||
| Humidity | 82% | ||
| Visibility in kilometers | 8.64km | ||
| Cloud cover | 48% | ||
| Our opinion | freezing swimming |
Swim elsewhere in the United States (USA) in december
| City | Average T° | Min. T° | Max. T° | Our opinion | California in december | 61°F | 62°F | cold swimming | Washington D. C. in december | 53°F | 56°F | freezing swimming | Miami (Florida) in december | 77°F | 79°F | pleasant swimming | New York City in december | 47°F | 53°F | freezing swimming | Seattle in december | 47°F | 48°F | freezing swimming | Houston in december | 61°F | 65°F | cold swimming | Long Beach (Washington) in december | 50°F | 53°F | freezing swimming | Myrtle Beach in december | 62°F | 67°F | cold swimming | Philadelphia in december | 48°F | 53°F | freezing swimming | Portland in december | 50°F | 53°F | freezing swimming | Atlantic City in december | 49°F | 55°F | freezing swimming | Baltimore in december | 51°F | 55°F | freezing swimming | Bar Harbor (Maine) in december | 46°F | 50°F | freezing swimming | Brooklyn in december | 48°F | 54°F | freezing swimming | Cape Cod National Seashore in december | 47°F | 51°F | freezing swimming | Carolina Beach in december | 63°F | 68°F | cold swimming | Gulf Shores (Alabama) in december | 65°F | 69°F | cool swimming | Hampton Beach in december | 46°F | 50°F | freezing swimming | Maryland in december | 51°F | 56°F | freezing swimming | Mobile (Alabama) in december | 63°F | 67°F | cold swimming |
Swim in the United States (USA) in december: sea temperature by city