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

March weather forecast and climate
Roslyn Harbor, NY

Ocean temperature

In Roslyn Harbor, New York, in Marzo, the average water temperature is 40.6°F (4.8°C).
Note: 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.

Daylight

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

What is the ocean temperature in Marzo in Roslyn Harbor?

In Marzo, the average ocean temperature in Roslyn Harbor, New York, 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 Roslyn Harbor have in Marzo?

In Roslyn Harbor, the average length of the day in Marzo is 12h.
Average sea temperature in March - Roslyn Harbor, 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 - Roslyn Harbor, 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).