Harbor Isle (NY) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Harbor Isle

Harbor Isle average temperature chart (Celsius) Harbor Isle average temperature chart (Fahrenheit)
Average monthly temperatures in Harbor Isle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.2 4.4 8.9 14.6 19.8 24.9 28 27.4 23.7 18 12.1 6.2
°F 37.8 39.9 48.1 58.3 67.7 76.9 82.5 81.4 74.6 64.5 53.8 43.1

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.

Harbor Isle monthly rainfall chart (mm) Harbor Isle monthly rainfall chart (inches)
Average monthly rainfall in Harbor Isle (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 87 81 99 101 99 89 96 95 86 80 98 96
inches 3.4 3.2 3.9 4 3.9 3.5 3.8 3.7 3.4 3.1 3.9 3.8
Rainy days 10 10 11 10 11 10 9 9 8 7 10 11

Average annual rainfall in Harbor Isle: 1073.4mm (422.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Harbor Isle

Harbor Isle average daily sunshine chart
Average daily sunshine Harbor Isle
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.9 6.6 7.6 8.3 8.9 9.4 9.3 9.2 7.9 7.5 5.6 5.1

Day / night temperatures

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

Harbor Isle average minimum / maximum temperatures (Celsius) Harbor Isle average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Harbor Isle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.2 -3.4 0.7 5.4 10.6 15.9 19.4 19 15.1 9.2 4.3 -1
Max °C 3.4 4.6 9.2 14.9 20.1 25.2 28.3 27.7 23.9 18.3 12.3 6.4
Min °F 24.4 25.9 33.2 41.6 51 60.5 66.8 66.1 59.2 48.5 39.7 30.3
Max °F 31.3 33.1 40.8 50.2 59.5 68.9 74.8 73.9 67.1 56.7 46.9 36.9

Sea temperature

The graph below shows the average sea temperature.

Harbor Isle average sea temperature chart (Celsius) Harbor Isle average sea temperature chart (Fahrenheit)
Average sea temperature around Harbor Isle in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 4.9 4.8 6.9 11.2 17 21.8 22.8 20.6 16.8 12.9 9.6
°F 44.2 40.8 40.6 44.4 52.2 62.5 71.3 73 69.1 62.3 55.2 49.2

Wind speed

The graph below shows the average wind speed.

Harbor Isle average winspeed by month (km/h) Harbor Isle average winspeed by month (mph)
Average wind speed in Harbor Isle (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 22 22 22 21 19 18 17 17 17 18 20 21
mph 14 14 14 13 12 11 10 10 11 11 13 13

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.

Harbor Isle relative humidity averages
Average relative humidity in Harbor Isle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 65% 63% 63% 69% 71% 71% 72% 72% 70% 68% 67%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Harbor Isle weather stats

Harbor Isle weather statistics
Hottest month: July 28°C 82.4°F
Driest month: October 80mm 3.1ins
Sunniest month: August 9.2hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: April 101mm 4ins
Warmest sea: August 22.8°C 73°F
Map showing location of Harbor Isle (40.60344, -73.66457) Harbor Isle map pin © Google

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