Swim in Washington D. C. in march 2025What is the temperature of the sea in in march?

Average sea temperature in Washington D. C. in march 2025.

In march, according to seasonal norms, the sea temperature in Washington D. C. is:

Minimum: 44°F

Average: 47°F

Maximum: 50°F

Other useful seasonal weather averages in march:

  • Outside temperature: 40°F to 55°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 1.2mph
  • It rains a total of 4.4in, over 6 day(s).

Should we swim in Washington D. C. in march?

No... The water temperature in Washington D. C. in march is freezing

You won't be able to swim in Washington D. C. in march! The water temperature is freezing, reaching as low as 44°F (and only 50°F at best)! Our advice: if you are going to Washington D. C. this month, plan to sightsee and forget the beach!

Note also that in march, the climate is very bad with an average outside temperature of 47°F, 4.3in of precipitation (over 6 days) and 80.24 % humidity.

Water and normal seasonal temperatures in Washington D. C. in march

March
Average sea temperature 47°F
Minimum sea temperature 44°F
Maximum sea temperature 50°F
Average outside temperature 49°F
Maximum outside temperature 56°F
Minimum outside temperature 41°F
Wind speed 11.8mph
Wind temperature 36°F
Precipitation 4.4in
Number of days of rain 6 jour(s)
(18%)
Humidity 81%
Visibility in kilometers 8.91km
Cloud cover 44%
Our opinion freezing swimming

Swim elsewhere in the United States (USA) in march

City Average T° Max. T° Our opinion
California in march59°F62°Ffreezing swimming
Boston in march39°F42°Ffreezing swimming
Miami (Florida) in march76°F81°Fpleasant swimming
New York City in march40°F44°Ffreezing swimming
Seattle in march46°F49°Ffreezing swimming
Houston in march63°F71°Fcool swimming
Long Beach (Washington) in march49°F53°Ffreezing swimming
Myrtle Beach in march57°F61°Ffreezing swimming
Philadelphia in march41°F45°Ffreezing swimming
Portland in march49°F52°Ffreezing swimming
Atlantic City in march41°F45°Ffreezing swimming
Baltimore in march45°F49°Ffreezing swimming
Bar Harbor (Maine) in march39°F42°Ffreezing swimming
Brooklyn in march41°F45°Ffreezing swimming
Cape Cod National Seashore in march40°F42°Ffreezing swimming
Carolina Beach in march59°F65°Ffreezing swimming
Gulf Shores (Alabama) in march64°F71°Fcool swimming
Hampton Beach in march39°F42°Ffreezing swimming
Maryland in march46°F49°Ffreezing swimming
Mobile (Alabama) in march64°F71°Fcool swimming

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

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