Roslyn Harbor Water Temperature

(Today) 2022

20.7°C / 69.2°F

Current weather

21°C / 70°F
(overcast clouds)

Partly cloudy

Wind

15 mph

Humidity

78%


The measurements for the water temperature in Roslyn Harbor, New York are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Roslyn Harbor water temperature derived from many years of historical sea surface temperature data.

Roslyn Harbor average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Roslyn Harbor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.2 2.6 2.7 3.9 8.2 14.4 20.1 21.6 19.1 14.3 10.9 6.3
Max °C 8.3 6.2 7 11.6 16.3 22.2 24.5 25.2 23.2 20.9 14.6 11.6
Min °F 39.8 38.1 38.5 42.1 50 61 69.9 72.3 68 60.4 53.1 45.4
Max °F 44.9 41.7 42.8 49.8 58.1 68.8 74.3 75.9 72.1 67 56.8 50.7

The warmest water temperature is in August with an average around 74.1°F / 23.4°C. The coldest month is February with an average water temperature of 39.9°F / 4.4°C.