Edgartown (MA) monthly weather averages

Average daytime temperature

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

Edgartown average temperature chart (Celsius) Edgartown average temperature chart (Fahrenheit)
Average monthly temperatures in Edgartown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.7 3 6.9 11.8 17.2 22.4 25.5 25.1 21.6 16.7 11 5.2
°F 36.9 37.4 44.4 53.2 63 72.3 77.8 77.1 70.8 62.1 51.8 41.4

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.

Edgartown monthly rainfall chart (mm) Edgartown monthly rainfall chart (inches)
Average monthly rainfall in Edgartown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 100 99 110 103 89 68 71 104 88 87 116 117
inches 3.9 3.9 4.3 4 3.5 2.7 2.8 4.1 3.5 3.4 4.6 4.6
Rainy days 12 10 12 11 11 11 9 10 8 9 11 13

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Edgartown

Edgartown average daily sunshine chart
Average daily sunshine Edgartown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.9 6.7 7.6 8.2 8.8 9.5 9.2 8.7 8.2 7.4 5.6 5.2

Day / night temperatures

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

Edgartown average minimum / maximum temperatures (Celsius) Edgartown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Edgartown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.9 -4.6 -0.3 3.8 8.8 14.2 18 17.6 13.9 8.7 3.9 -2.2
Max °C 2.9 3.2 7.1 12 17.4 22.6 25.7 25.3 21.8 16.9 11.2 5.4
Min °F 23.2 23.7 31.6 38.8 47.8 57.6 64.3 63.6 56.9 47.7 38.9 28
Max °F 30.2 30.7 38.1 46.2 55.6 65.1 71.2 70.5 64 55 45.5 34.9

Sea temperature

The graph below shows the average sea temperature.

Edgartown average sea temperature chart (Celsius) Edgartown average sea temperature chart (Fahrenheit)
Average sea temperature around Edgartown in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.8 4.1 3.9 5.5 9.2 14.1 18.8 20.3 18.4 14.8 11.2 8.3
°F 42.4 39.4 39 41.9 48.6 57.4 65.8 68.6 65.2 58.7 52.1 46.9

Wind speed

The graph below shows the average wind speed.

Edgartown average winspeed by month (km/h) Edgartown average winspeed by month (mph)
Average wind speed in Edgartown (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 20 21 20 18 16 16 15 16 17 18 19
mph 12 13 13 13 11 10 10 9 10 10 11 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.

Edgartown relative humidity averages
Average relative humidity in Edgartown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 65% 65% 64% 70% 72% 73% 75% 75% 72% 70% 67%

Other monthly averages

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Edgartown weather stats

Edgartown weather statistics
Hottest month: July 25.5°C 77.9°F
Driest month: June 68mm 2.7ins
Sunniest month: October 7.4hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: December 117mm 4.6ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of Edgartown (41.38901, -70.51336)

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