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

March weather forecast and climate
Manorhaven, NY

Ocean temperature

In Manorhaven, New York, in Marzo, the average water temperature is 40.6°F (4.8°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.


In Marzo, the average length of the day in Manorhaven is 12h.

What is the ocean temperature in Marzo in Manorhaven?

In Manorhaven, the average seawater temperature in Marzo is 40.6°F (4.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Manorhaven have in Marzo?

In Marzo, the average length of the day in Manorhaven, New York, is 12h.
Average sea temperature in March - Manorhaven, NY
  • Average sea temperature in March: 40.7°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 March - Manorhaven, NY
  • Average daylight in March: 12h

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