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Average water temperature in Roslyn

On this page you find the mean water temperature over the year in Roslyn (New York State), the United States of America. Get insights into the water temperature fluctuations and discover what they mean for visitors.


In Roslyn, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 23°C.

The coldest water temperature month, March, has an average temperature of 4°C. It may not be the ideal time for a swim.


Forecast for Roslyn (NY)

Sun   Dec 22
-3°C | -9°C
NW 7 m/s
clear and no rain

clear and no rain

Mon   Dec 23
1°C | -10°C
S 4 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
4°C | -1°C
W 4 m/s
4.1 mm
broken clouds and snow

broken clouds and snow

Interested in more climate information?

This site provides you with all the information you need about the climate in Roslyn.

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