Seasonal ranking

Coldest sea temperature in United States in December

Where the sea is coolest across United States during December, ranked by long-term monthly average water temperature. Revere Beach (Massachusetts, United States) is the coolest at around 6°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Revere Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  2. 2
    Singing Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  3. 3
    Good Harbor Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  4. 4
    Nantasket Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  5. 5
    Horseneck Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  6. 6
    Old Silver Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  7. 7
    Craigville Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  8. 8
    Mayflower Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  9. 9
    Nauset Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  10. 10
    Coast Guard Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  11. 11
    Marconi Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  12. 12
    Race Point
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  13. 13
    South Beach Edgartown
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  14. 14
    Surfside Beach Nantucket
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  15. 15
    Crane Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  16. 16
    Head of the Meadow Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  17. 17
    Kalmus Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  18. 18
    Old Silver Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  19. 19
    Menemsha Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  20. 20
    Aquinnah Public Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  21. 21
    Salisbury Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  22. 22
    Duxbury Beach
    Massachusetts · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    6°C
    December average
  23. 23
    Coney Island
    New York · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    7°C
    December average
  24. 24
    Rockaway Beach
    New York · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    7°C
    December average
  25. 25
    Jones Beach
    New York · United States · Atlantic Ocean
    Cold — wetsuit strongly recommended
    7°C
    December average

Coldest sea in December elsewhere

United States in December — frequently asked questions

Where is the sea coldest in United States in December?
Revere Beach in United States has the coldest sea in United States in December, averaging about 6.0 °C. Singing Beach (6.0 °C) and Good Harbor Beach are the next coolest.
How many beaches in United States are warm enough to swim in December?
None of the top 25 ranked beaches in United States reach 22 °C in December, so a wetsuit is recommended for anything longer than a quick dip.
How are these December sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical December rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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