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

December weather forecast and climate
Northport, NY

Ocean temperature

In Northport, New York, the average seawater temperature in December is 48.9°F (9.4°C).
Note: Swimming in 48.9°F (9.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year.

What is the water temperature in December in Northport?

In Northport, New York, the average seawater temperature in December is 48.9°F (9.4°C). Swimming in 48.9°F (9.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Northport?

With an average of 9.3h of daylight, December has the shortest days of the year.

How many hours of daylight does Northport have in December?

In December, the average length of the day in Northport is 9.3h.
Average sea temperature in December - Northport, NY
  • Average sea temperature in December: 49°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in December - Northport, 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).