Swimming in Seattle in may 2025: Average sea temperature in may and tide times in may 2025

Average sea temperature in Seattle in may 2025.

In may, according to seasonal norms, the sea temperature in Seattle is:

Minimum: 45°F

Average: 47°F

Maximum: 49°F

Other useful seasonal weather averages in may:

  • Outside temperature: 54°F to 67°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 7.5mph
  • It rains a total of 1.5in, over 2 day(s).

Should we swim in Seattle in may?

No... The water temperature in Seattle in may is freezing

You won't be able to swim in Seattle in may! The water temperature is freezing, reaching as low as 45°F (and only 49°F at best)! Our advice: if you are going to Seattle this month, plan to sightsee and forget the beach!

Note also that in may, the climate is good with an average outside temperature of 61°F, 1.5in of precipitation (over 2 days) and 80.66 % humidity.

Water and normal seasonal temperatures in Seattle in may

May
Average sea temperature 47°F
Minimum sea temperature 45°F
Maximum sea temperature 49°F
Average outside temperature 61°F
Maximum outside temperature 68°F
Minimum outside temperature 54°F
Wind speed 6.2mph
Wind temperature 54°F
Precipitation 1.5in
Number of days of rain 2 jour(s)
(6%)
Humidity 81%
Visibility in kilometers 8.89km
Cloud cover 40%
Our opinion freezing swimming

Chart of the tides in may 2025

Tide times in may 2025 in Seattle

Swim elsewhere in the United States (USA) in may

City Average T° Max. T° Our opinion
California in may62°F66°Fcold swimming
Washington D. C. in may58°F65°Ffreezing swimming
Boston in may49°F55°Ffreezing swimming
Miami (Florida) in may82°F85°Fideal swimming
New York City in may53°F60°Ffreezing swimming
Houston in may78°F83°Fpleasant swimming
Long Beach (Washington) in may54°F60°Ffreezing swimming
Myrtle Beach in may71°F77°Fpleasant swimming
Philadelphia in may54°F61°Ffreezing swimming
Portland in may53°F58°Ffreezing swimming
Atlantic City in may56°F64°Ffreezing swimming
Baltimore in may57°F63°Ffreezing swimming
Bar Harbor (Maine) in may45°F49°Ffreezing swimming
Brooklyn in may54°F62°Ffreezing swimming
Cape Cod National Seashore in may50°F55°Ffreezing swimming
Carolina Beach in may71°F78°Fpleasant swimming
Gulf Shores (Alabama) in may77°F84°Fpleasant swimming
Hampton Beach in may48°F54°Ffreezing swimming
Maryland in may56°F63°Ffreezing swimming
Mobile (Alabama) in may77°F84°Fpleasant swimming

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

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