Swimming in Boston in december 2024: Average sea temperature in december and tide times in december 2024

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

Chart of the tides in december 2024

Tide times in december 2024 in Boston

Swim elsewhere in the United States (USA) in december

City Average T° Max. T° Our opinion
California in december61°F62°Fcold swimming
Washington D. C. in december53°F56°Ffreezing swimming
Miami (Florida) in december77°F79°Fpleasant swimming
New York City in december47°F53°Ffreezing swimming
Seattle in december47°F48°Ffreezing swimming
Houston in december61°F65°Fcold swimming
Long Beach (Washington) in december50°F53°Ffreezing swimming
Myrtle Beach in december62°F67°Fcold swimming
Philadelphia in december48°F53°Ffreezing swimming
Portland in december50°F53°Ffreezing swimming
Atlantic City in december49°F55°Ffreezing swimming
Baltimore in december51°F55°Ffreezing swimming
Bar Harbor (Maine) in december46°F50°Ffreezing swimming
Brooklyn in december48°F54°Ffreezing swimming
Cape Cod National Seashore in december47°F51°Ffreezing swimming
Carolina Beach in december63°F68°Fcold swimming
Gulf Shores (Alabama) in december65°F69°Fcool swimming
Hampton Beach in december46°F50°Ffreezing swimming
Maryland in december51°F56°Ffreezing swimming
Mobile (Alabama) in december63°F67°Fcold swimming

Swim in the United States (USA) in december: sea temperature by city

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