East Setauket (NY) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at East Setauket

East Setauket average temperature chart (Celsius) East Setauket average temperature chart (Fahrenheit)
Average monthly temperatures in East Setauket (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.9 3.8 8.6 14.5 20 24.8 27.6 26.8 23.3 17.7 11.9 5.8
°F 37.2 38.9 47.5 58.1 68.1 76.6 81.7 80.3 73.9 63.9 53.5 42.5

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.

East Setauket monthly rainfall chart (mm) East Setauket monthly rainfall chart (inches)
Average monthly rainfall in East Setauket (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 92 84 107 104 96 88 88 99 89 90 107 106
inches 3.6 3.3 4.2 4.1 3.8 3.5 3.5 3.9 3.5 3.5 4.2 4.2
Rainy days 10 10 11 10 11 10 9 9 8 7 11 11

Average annual rainfall in East Setauket: 1119.334mm (440.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in East Setauket

East Setauket average daily sunshine chart
Average daily sunshine East Setauket
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 6.9 7.8 8.5 9 9.5 9.4 9.1 8 7.4 5.5 5.1

Day / night temperatures

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

East Setauket average minimum / maximum temperatures (Celsius) East Setauket average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in East Setauket (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.9 -4.5 -0.5 4.1 9.3 14.6 18 17.8 14.1 8.5 3.7 -1.8
Max °C 3.1 4.1 8.9 14.8 20.3 25.1 27.9 27.1 23.5 18 12.2 6
Min °F 23.2 24 31.2 39.3 48.7 58.2 64.3 64 57.4 47.2 38.6 28.8
Max °F 30.4 31.6 39.6 48.9 58.6 67.6 73.2 72.3 65.8 55.8 46.2 35.8

Sea temperature

The graph below shows the average sea temperature.

East Setauket average sea temperature chart (Celsius) East Setauket average sea temperature chart (Fahrenheit)
Average sea temperature around East Setauket 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.

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

East Setauket relative humidity averages
Average relative humidity in East Setauket
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 67% 65% 64% 70% 73% 73% 75% 75% 72% 70% 69%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

East Setauket weather stats

East Setauket weather statistics
Hottest month: July 27.6°C 81.7°F
Driest month: February 84mm 3.3ins
Sunniest month: August 9.1hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: November 107mm 4.2ins
Warmest sea: August 22.8°C 73°F
Map showing location of East Setauket (40.94149, -73.10594) East Setauket map pin © Google

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