Monument Beach (MA) monthly weather averages

Average daytime temperature

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

Monument Beach average temperature chart (Celsius) Monument Beach average temperature chart (Fahrenheit)
Average monthly temperatures in Monument Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.2 2.8 6.9 12 17.8 23.1 26.1 25.4 21.5 16.6 10.7 4.7
°F 36 37 44.4 53.6 64.1 73.5 78.9 77.7 70.8 61.9 51.3 40.5

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.

Monument Beach monthly rainfall chart (mm) Monument Beach monthly rainfall chart (inches)
Average monthly rainfall in Monument Beach (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 102 102 112 109 95 75 76 110 93 93 123 116
inches 4 4 4.4 4.3 3.7 2.9 3 4.3 3.6 3.7 4.9 4.6
Rainy days 12 10 12 11 11 11 9 10 8 9 11 13

Average annual rainfall in Monument Beach: 1174.867mm (462.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Monument Beach

Monument Beach average daily sunshine chart
Average daily sunshine Monument Beach
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.6 7.4 8 8.8 9.5 9.4 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.

Monument Beach average minimum / maximum temperatures (Celsius) Monument Beach average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Monument Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.7 -6.2 -1.5 2.8 8 13.5 17.1 16.6 12.5 7.2 2.5 -3.8
Max °C 2.5 3 7.1 12.3 18.1 23.3 26.3 25.6 21.8 16.9 11 5
Min °F 20 20.8 29.3 37 46.3 56.3 62.8 61.9 54.4 44.9 36.4 25.3
Max °F 28.2 29.1 37 45.5 55.4 65.1 71.1 70 62.8 53.6 44.1 33.1

Sea temperature

The graph below shows the average sea temperature.

Monument Beach average sea temperature chart (Celsius) Monument Beach average sea temperature chart (Fahrenheit)
Average sea temperature around Monument Beach 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.

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

Monument Beach relative humidity averages
Average relative humidity in Monument Beach
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 64% 64% 64% 69% 72% 72% 74% 74% 71% 69% 67%