Seasonal ranking
Coldest sea temperature in New York in December
Where the sea is coolest across New York during December, ranked by long-term monthly average water temperature. Coney Island (New York, United States) is the coolest at around 7°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Coney IslandNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 2Rockaway BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 3Jones BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 4Long Beach NYNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 5Robert MosesNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 6Fire IslandNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 7Cooper's BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 8Main Beach East HamptonNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 9Ditch PlainsNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 10Point Lookout BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 11Fire Island BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 12Smith Point BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 13Cupsogue BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 14Westhampton BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 15Ponquogue BeachNew York · United States · Atlantic OceanCold — wetsuit strongly recommended7°CDecember average
- 16Sunset Bay BeachNew York · United States · Lake ErieCold — wetsuit strongly recommended7°CDecember average
- 17Woodlawn BeachNew York · United States · Lake ErieCold — wetsuit strongly recommended7°CDecember average
Coldest sea in December elsewhere
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New York in December — frequently asked questions
- Where is the sea coldest in New York in December?
- Coney Island in United States has the coldest sea in New York in December, averaging about 7.0 °C. Rockaway Beach (7.0 °C) and Jones Beach are the next coolest.
- How many beaches in New York are warm enough to swim in December?
- None of the top 17 ranked beaches in New York 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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