Shelter Island Heights (NY) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Shelter Island Heights

Shelter Island Heights average temperature chart (Celsius) Shelter Island Heights average temperature chart (Fahrenheit)
Average monthly temperatures in Shelter Island Heights (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.5 3.1 7.9 13.4 18.7 23.8 27 26.5 23.1 17.4 11.7 5.3
°F 36.6 37.6 46.3 56.1 65.7 74.9 80.5 79.6 73.6 63.4 53 41.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Shelter Island Heights monthly rainfall chart (mm) Shelter Island Heights monthly rainfall chart (inches)
Average monthly rainfall in Shelter Island Heights (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 101 95 114 100 94 78 81 106 93 93 114 116
inches 4 3.7 4.5 3.9 3.7 3.1 3.2 4.2 3.7 3.6 4.5 4.5
Rainy days 11 10 11 10 11 11 9 9 8 8 11 12

Average annual rainfall in Shelter Island Heights: 1152.066mm (453.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Shelter Island Heights

Shelter Island Heights average daily sunshine chart
Average daily sunshine Shelter Island Heights
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.2 7.1 8.1 8.7 9.2 9.7 9.5 8.9 8.1 7.5 5.6 5.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Shelter Island Heights average minimum / maximum temperatures (Celsius) Shelter Island Heights average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Shelter Island Heights (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.4 -5.6 -1.4 3.2 8.5 13.5 17 16.5 12.3 6.5 1.7 -3.3
Max °C 2.8 3.4 8.2 13.7 19 24.1 27.2 26.7 23.4 17.7 11.9 5.5
Min °F 20.6 22 29.6 37.7 47.2 56.3 62.6 61.7 54.1 43.7 35.1 26.1
Max °F 28.8 30 38.1 47.1 56.7 65.8 71.8 70.9 64 53.8 44.2 34

Sea temperature

The graph below shows the average sea temperature.

Shelter Island Heights average sea temperature chart (Celsius) Shelter Island Heights average sea temperature chart (Fahrenheit)
Average sea temperature around Shelter Island Heights in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 4 3.7 5.8 10.3 15.9 20.6 21.7 19.6 15.8 12.1 8.9
°F 42.8 39.1 38.7 42.5 50.6 60.6 69.1 71 67.3 60.5 53.8 48

Wind speed

The graph below shows the average wind speed.

Shelter Island Heights average winspeed by month (km/h) Shelter Island Heights average winspeed by month (mph)
Average wind speed in Shelter Island Heights (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 20 19 17 16 15 15 16 16 18 18
mph 12 12 12 12 11 10 9 9 10 10 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Shelter Island Heights relative humidity averages
Average relative humidity in Shelter Island Heights
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 65% 64% 63% 69% 72% 72% 74% 75% 71% 70% 68%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Shelter Island Heights weather stats

Shelter Island Heights weather statistics
Hottest month: July 27°C 80.6°F
Driest month: June 78mm 3.1ins
Sunniest month: March 8.1hrs
Coldest month: January 2.5°C 36.5°F
Wettest month: December 116mm 4.6ins
Warmest sea: August 21.7°C 71.1°F
Map showing location of Shelter Island Heights (41.08399, -72.35592) Shelter Island Heights map pin © Google

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