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Shelter Island, New York Climate Averages

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Shelter Island Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 38°F Lo 31°F Hi 39°F Lo 32°F Hi 43°F Lo 36°F Hi 50°F Lo 44°F Hi 59°F Lo 53°F Hi 68°F Lo 63°F Hi 76°F Lo 71°F Hi 77°F Lo 71°F Hi 71°F Lo 66°F Hi 62°F Lo 57°F Hi 52°F Lo 46°F Hi 45°F Lo 38°F
16 mph 15 mph 15 mph 14 mph 12 mph 11 mph 10 mph 11 mph 12 mph 15 mph 16 mph 16 mph
5.4 in 5.6 in 6.3 in 5.3 in 5.8 in 5.2 in 6.5 in 6.1 in 4.7 in 6.8 in 4.9 in 6.7 in
72% 74% 73% 76% 80% 80% 79% 76% 75% 73% 71% 73%
47% 50% 47% 45% 43% 34% 29% 27% 32% 41% 39% 51%
30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.0 in
19 15 20 22 24 23 25 25 25 25 23 20
6 7 7 7 7 7 6 6 5 6 7 8
7 7 4 0 0 0 0 0 0 0 1 3
0 0 0 1 2 1 0 0 0 0 0 0
1 2 2 3 5 6 6 6 5 4 2 2
170 145 171 175 202 230 264 269 234 198 194 152
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -1°C Hi 4°C Lo -0°C Hi 6°C Lo 3°C Hi 10°C Lo 7°C Hi 15°C Lo 12°C Hi 20°C Lo 17°C Hi 24°C Lo 21°C Hi 25°C Lo 22°C Hi 22°C Lo 19°C Hi 17°C Lo 14°C Hi 11°C Lo 8°C Hi 7°C Lo 4°C
26 km/h 24 km/h 24 km/h 22 km/h 19 km/h 18 km/h 17 km/h 17 km/h 20 km/h 24 km/h 25 km/h 26 km/h
137 mm 143 mm 161 mm 135 mm 148 mm 132 mm 166 mm 154 mm 118 mm 172 mm 124 mm 170 mm
72% 74% 73% 76% 80% 80% 79% 76% 75% 73% 71% 73%
47% 50% 47% 45% 43% 34% 29% 27% 32% 41% 39% 51%
1017 mb 1017 mb 1017 mb 1015 mb 1017 mb 1014 mb 1014 mb 1015 mb 1017 mb 1017 mb 1019 mb 1018 mb
19 15 20 22 24 23 25 25 25 25 23 20
6 7 7 7 7 7 6 6 5 6 7 8
7 7 4 0 0 0 0 0 0 0 1 3
0 0 0 1 2 1 0 0 0 0 0 0
1 2 2 3 5 6 6 6 5 4 2 2
170 145 171 175 202 230 264 269 234 198 194 152
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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