New York, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Mamaroneck, NY

Ocean temperature

In Enero, the average ocean temperature in Mamaroneck, New York, is 42.4°F (5.8°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.


In Enero, the average length of the day in Mamaroneck, New York, is 9.6h.

How cold is the water in Enero in Mamaroneck?

In Mamaroneck, New York, in Enero, the average water temperature is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Mamaroneck have in Enero?

In Mamaroneck, New York, the average length of the day in Enero is 9.6h.
Average sea temperature in January - Mamaroneck, NY
  • Average sea temperature in January: 42.4°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight in January - Mamaroneck, NY
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).