West Sayville (NY) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at West Sayville

West Sayville average temperature chart (Celsius) West Sayville average temperature chart (Fahrenheit)
Average monthly temperatures in West Sayville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.2 4.2 8.8 14.4 19.8 24.7 27.5 26.9 23.4 17.9 12.1 6.2
°F 37.8 39.6 47.9 57.9 67.6 76.5 81.5 80.5 74.2 64.2 53.9 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.

West Sayville monthly rainfall chart (mm) West Sayville monthly rainfall chart (inches)
Average monthly rainfall in West Sayville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 93 86 107 102 95 84 88 101 88 87 106 107
inches 3.6 3.4 4.2 4 3.8 3.3 3.4 4 3.5 3.4 4.2 4.2
Rainy days 10 10 11 10 11 10 9 9 8 7 10 11

Average annual rainfall in West Sayville: 1111.367mm (437.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in West Sayville

West Sayville average daily sunshine chart
Average daily sunshine West Sayville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 6.9 7.9 8.5 9 9.5 9.4 9.1 8 7.5 5.6 5.2

Day / night temperatures

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

West Sayville average minimum / maximum temperatures (Celsius) West Sayville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in West Sayville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.6 -4 -0 4.4 9.6 14.9 18.3 18.1 14.4 8.7 3.9 -1.4
Max °C 3.4 4.4 9.1 14.7 20.1 25 27.8 27.2 23.7 18.1 12.4 6.4
Min °F 23.7 24.8 31.9 39.8 49.2 58.7 64.9 64.5 57.8 47.7 38.9 29.6
Max °F 30.9 32.4 40.1 49.1 58.6 67.8 73.4 72.7 66.2 56.1 46.6 36.5

Sea temperature

The graph below shows the average sea temperature.

West Sayville average sea temperature chart (Celsius) West Sayville average sea temperature chart (Fahrenheit)
Average sea temperature around West Sayville 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.

West Sayville average winspeed by month (km/h) West Sayville average winspeed by month (mph)
Average wind speed in West Sayville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 21 21 20 18 17 16 16 17 18 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.

West Sayville relative humidity averages
Average relative humidity in West Sayville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 67% 65% 64% 71% 72% 74% 76% 76% 72% 71% 68%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

West Sayville weather stats

West Sayville weather statistics
Hottest month: July 27.5°C 81.5°F
Driest month: June 84mm 3.3ins
Sunniest month: October 7.5hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: March 107mm 4.2ins
Warmest sea: August 22.8°C 73°F
Map showing location of West Sayville (40.72788, -73.09761) West Sayville map pin © Google

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