Barnstable (MA) monthly weather averages

Contents

Average daytime temperature

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

Barnstable average temperature chart (Celsius) Barnstable average temperature chart (Fahrenheit)
Average monthly temperatures in Barnstable (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.4 2.6 6.1 11.1 16.6 21.9 25.2 24.5 21 16.3 10.5 5.1
°F 36.3 36.7 43 51.9 61.9 71.5 77.3 76.1 69.7 61.3 51 41.2

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.

Barnstable monthly rainfall chart (mm) Barnstable monthly rainfall chart (inches)
Average monthly rainfall in Barnstable (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 100 94 105 99 85 68 68 98 87 90 116 113
inches 3.9 3.7 4.1 3.9 3.4 2.7 2.7 3.9 3.4 3.6 4.6 4.5
Rainy days 12 10 12 11 11 11 9 10 8 9 11 13

Average annual rainfall in Barnstable: 1094.3mm (430.8 inches)

Average daily sunshine

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

Barnstable average daily sunshine chart
Average daily sunshine Barnstable
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.5 7.3 7.9 8.7 9.4 9.2 8.8 8.2 7.3 5.4 5.1

Day / night temperatures

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

Barnstable average minimum / maximum temperatures (Celsius) Barnstable average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Barnstable (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.6 -5.4 -0.9 3.2 8.2 13.7 17.3 16.9 13.3 8.3 3.7 -2.7
Max °C 2.6 2.8 6.3 11.3 16.8 22.2 25.4 24.7 21.2 16.5 10.7 5.3
Min °F 21.9 22.3 30.4 37.7 46.8 56.6 63.1 62.4 55.9 46.9 38.7 27.1
Max °F 29.3 29.7 36.9 45 54.5 64.2 70.3 69.4 63 54.3 45 34.3

Sea temperature

The graph below shows the average sea temperature.

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

Barnstable average winspeed by month (km/h) Barnstable average winspeed by month (mph)
Average wind speed in Barnstable (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.

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

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Barnstable weather stats

Barnstable weather statistics
Hottest month: July 25.2°C 77.4°F
Driest month: July 68mm 2.7ins
Sunniest month: September 8.2hrs
Coldest month: January 2.4°C 36.3°F
Wettest month: November 116mm 4.6ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of Barnstable (41.70011, -70.29947) Barnstable map pin © Google

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