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

December weather forecast and climate
Sag Harbor, NY

Ocean temperature

In Sag Harbor, New York, in Diciembre, the average water temperature is 49.8°F (9.9°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.

Daylight

The month with the shortest days is Diciembre, with an average of 9.3h of daylight.

How cold is the water in Diciembre in Sag Harbor?

In Sag Harbor, New York, in Diciembre, the average water temperature is 49.8°F (9.9°C). Swimming in 49.8°F (9.9°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.

What is the month with the shortest days in Sag Harbor?

The month with the shortest days in Sag Harbor is Diciembre, with an average of 9.3h of daylight.

How many hours of daylight does Sag Harbor have in Diciembre?

In Sag Harbor, the average length of the day in Diciembre is 9.3h.
Average sea temperature in December - Sag Harbor, NY
  • Average sea temperature in December: 49.8°F

The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (39.8°F).

Average daylight in December - Sag Harbor, NY
  • Average daylight in December: 9.3h

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