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

January weather forecast and climate
Seaford, NY

Ocean temperature

In Enero, the average ocean temperature in Seaford, New York, is 42.4°F (5.8°C).
Note: Swimming in 42.4°F (5.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.


In Seaford, the average length of the day in Enero is 9.7h.

How cold is the water in Enero in Seaford?

In Seaford, New York, the average seawater temperature in Enero is 42.4°F (5.8°C). 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.

How many hours of daylight does Seaford have in Enero?

In Enero, the average length of the day in Seaford, New York, is 9.7h.
Average sea temperature in January - Seaford, 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 - Seaford, NY
  • Average daylight in January: 9.7h

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