East Dennis (MA) monthly weather averages

Contents

Average daytime temperature

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

East Dennis average temperature chart (Celsius) East Dennis average temperature chart (Fahrenheit)
Average monthly temperatures in East Dennis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.5 2.6 5.9 10.7 16.2 21.5 24.8 24.2 20.8 16.1 10.5 5.3
°F 36.4 36.7 42.7 51.3 61.2 70.7 76.6 75.6 69.5 61 50.9 41.6

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 Dennis monthly rainfall chart (mm) East Dennis monthly rainfall chart (inches)
Average monthly rainfall in East Dennis (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 101 91 102 95 83 67 65 93 85 89 113 113
inches 4 3.6 4 3.7 3.2 2.7 2.6 3.7 3.3 3.5 4.4 4.4
Rainy days 12 11 12 11 11 11 9 10 8 9 11 13

Average annual rainfall in East Dennis: 1068.667mm (420.7 inches)

Average daily sunshine

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

East Dennis average daily sunshine chart
Average daily sunshine East Dennis
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.5 7.3 7.9 8.6 9.3 9.2 8.7 8.1 7.3 5.4 5.1

Day / night temperatures

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

East Dennis average minimum / maximum temperatures (Celsius) East Dennis average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in East Dennis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.3 -5 -0.5 3.3 8.4 13.7 17.3 17 13.6 8.7 4.2 -2.3
Max °C 2.7 2.8 6.1 10.9 16.4 21.7 25 24.4 21 16.3 10.7 5.5
Min °F 22.6 23 31.1 37.9 47.1 56.7 63.1 62.6 56.5 47.7 39.5 27.9
Max °F 29.7 30 37 44.8 54.3 63.9 70 69.3 63.1 54.5 45.3 34.9

Sea temperature

The graph below shows the average sea temperature.

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

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

East Dennis relative humidity averages
Average relative humidity in East Dennis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 65% 66% 66% 71% 73% 74% 75% 75% 72% 70% 68%

Other monthly averages

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East Dennis weather stats

East Dennis weather statistics
Hottest month: July 24.8°C 76.6°F
Driest month: July 65mm 2.6ins
Sunniest month: September 8.1hrs
Coldest month: January 2.5°C 36.5°F
Wettest month: December 113mm 4.4ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of East Dennis (41.74261, -70.16196) East Dennis map pin © Google

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