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

December weather forecast and climate
Plandome Heights, NY

Ocean temperature

In Plandome Heights, New York, the average seawater temperature in Diciembre is 48°F (8.9°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.


With an average of 9.3h of daylight, Diciembre has the shortest days of the year in Plandome Heights.

What is the ocean temperature in Diciembre in Plandome Heights?

In Plandome Heights, in Diciembre, the average water temperature is 48°F (8.9°C). Swimming in 48°F (8.9°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 Plandome Heights?

Diciembre has the shortest days of the year in Plandome Heights, New York, with an average of 9.3h of daylight.

How many hours of daylight does Plandome Heights have in Diciembre?

The average length of the day in Diciembre in Plandome Heights is 9.3h.
Average sea temperature in December - Plandome Heights, NY
  • Average sea temperature in December: 48.1°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 December - Plandome Heights, 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).