Wellfleet (MA) monthly weather averages

Contents

Average daytime temperature

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

Wellfleet average temperature chart (Celsius) Wellfleet average temperature chart (Fahrenheit)
Average monthly temperatures in Wellfleet (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.3 2.6 5.7 10.6 16.2 21.6 25 24.3 20.9 16 10.3 5.3
°F 36.2 36.6 42.3 51 61.2 70.9 76.9 75.8 69.7 60.8 50.6 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.

Wellfleet monthly rainfall chart (mm) Wellfleet monthly rainfall chart (inches)
Average monthly rainfall in Wellfleet (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 102 88 100 93 81 71 64 92 83 90 113 111
inches 4 3.5 3.9 3.7 3.2 2.8 2.5 3.6 3.3 3.5 4.4 4.4
Rainy days 12 10 12 11 11 11 9 10 8 9 11 13

Average annual rainfall in Wellfleet: 1059.734mm (417.2 inches)

Average daily sunshine

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

Wellfleet average daily sunshine chart
Average daily sunshine Wellfleet
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.5 7.2 7.9 8.6 9.3 9.2 8.8 8.1 7.2 5.4 5

Day / night temperatures

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

Wellfleet average minimum / maximum temperatures (Celsius) Wellfleet average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Wellfleet (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.5 -5.2 -0.7 3.3 8.4 13.6 17.3 16.9 13.5 8.6 4.1 -2.5
Max °C 2.5 2.8 5.9 10.8 16.4 21.8 25.2 24.5 21.1 16.2 10.5 5.5
Min °F 22.1 22.7 30.7 37.9 47.1 56.5 63.1 62.4 56.3 47.5 39.4 27.5
Max °F 29.3 29.8 36.7 44.6 54.3 63.9 70.2 69.3 63.1 54.3 45.1 34.7

Sea temperature

The graph below shows the average sea temperature.

Wellfleet average sea temperature chart (Celsius) Wellfleet average sea temperature chart (Fahrenheit)
Average sea temperature around Wellfleet 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.

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

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

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Wellfleet weather stats

Wellfleet weather statistics
Hottest month: July 25°C 77°F
Driest month: July 64mm 2.5ins
Sunniest month: September 8.1hrs
Coldest month: January 2.3°C 36.1°F
Wettest month: November 113mm 4.4ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of Wellfleet (41.93761, -70.0328) Wellfleet map pin © Google

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