Staten Island (NY) monthly weather averages

Average daytime temperature

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

Staten Island average temperature chart (Celsius) Staten Island average temperature chart (Fahrenheit)
Average monthly temperatures in Staten Island (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 4.2 9.5 15.5 21.2 26.2 29 28.2 24.1 18.1 12 5.5
°F 36.7 39.5 49.2 59.9 70.1 79.2 84.2 82.8 75.3 64.6 53.5 41.9

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.

Staten Island monthly rainfall chart (mm) Staten Island monthly rainfall chart (inches)
Average monthly rainfall in Staten Island (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 87 80 101 101 106 87 114 104 94 82 103 94
inches 3.4 3.2 4 4 4.2 3.4 4.5 4.1 3.7 3.2 4.1 3.7
Rainy days 10 10 11 10 11 10 10 9 8 8 10 11

Average daily sunshine

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

Staten Island average daily sunshine chart
Average daily sunshine Staten Island
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.4 7.4 8.2 8.8 9.3 9.3 9.2 7.9 7.3 5.5 5

Day / night temperatures

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

Staten Island average minimum / maximum temperatures (Celsius) Staten Island average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Staten Island (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.8 -3.8 0.7 5.7 11.2 16.4 19.6 19 14.9 8.7 3.9 -1.7
Max °C 2.8 4.4 9.8 15.8 21.4 26.5 29.3 28.5 24.3 18.4 12.2 5.7
Min °F 23.4 25.3 33.2 42.2 52.2 61.4 67.2 66.1 58.8 47.6 38.9 29
Max °F 30.2 32.5 41.4 51.3 61.3 70.5 75.9 74.7 67.3 56.3 46.4 35.6

Sea temperature

The graph below shows the average sea temperature.

Staten Island average sea temperature chart (Celsius) Staten Island average sea temperature chart (Fahrenheit)
Average sea temperature around Staten Island in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.6 3.7 3.9 6.4 11 16.9 21.9 23.1 21 16.9 12.4 8.6
°F 42.1 38.7 39 43.5 51.8 62.4 71.4 73.6 69.8 62.4 54.3 47.5

Wind speed

The graph below shows the average wind speed.

Staten Island average winspeed by month (km/h) Staten Island average winspeed by month (mph)
Average wind speed in Staten Island (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 21 21 21 18 17 16 16 17 17 19 20
mph 13 13 13 13 11 11 10 10 10 11 12 12

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.

Staten Island relative humidity averages
Average relative humidity in Staten Island
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 63% 61% 60% 65% 66% 66% 68% 69% 67% 67% 66%

Other monthly averages

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Staten Island weather stats

Staten Island weather statistics
Hottest month: July 29°C 84.2°F
Driest month: February 80mm 3.1ins
Sunniest month: August 9.2hrs
Coldest month: January 2.6°C 36.7°F
Wettest month: July 114mm 4.5ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Staten Island (40.56233, -74.13986)

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