Osterville (MA) monthly weather averages

Contents

Average daytime temperature

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

Osterville average temperature chart (Celsius) Osterville average temperature chart (Fahrenheit)
Average monthly temperatures in Osterville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.4 2.7 6.4 11.4 16.9 22.1 25.2 24.8 21.2 16.5 10.7 5
°F 36.3 36.8 43.6 52.5 62.5 71.9 77.4 76.6 70.1 61.8 51.3 40.9

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.

Osterville monthly rainfall chart (mm) Osterville monthly rainfall chart (inches)
Average monthly rainfall in Osterville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 99 99 110 104 89 65 70 104 89 90 119 116
inches 3.9 3.9 4.3 4.1 3.5 2.6 2.8 4.1 3.5 3.5 4.7 4.6
Rainy days 12 10 12 11 11 11 9 10 8 9 11 13

Average annual rainfall in Osterville: 1126.266mm (443.4 inches)

Average daily sunshine

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

Osterville average daily sunshine chart
Average daily sunshine Osterville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.6 7.4 8.1 8.8 9.5 9.3 8.8 8.2 7.4 5.5 5.1

Day / night temperatures

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

Osterville average minimum / maximum temperatures (Celsius) Osterville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Osterville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.6 -5.3 -0.8 3.2 8.3 13.7 17.4 17.1 13.3 8.3 3.5 -2.8
Max °C 2.6 2.9 6.6 11.6 17.2 22.4 25.4 25 21.4 16.8 10.9 5.2
Min °F 21.9 22.6 30.6 37.8 46.9 56.6 63.3 62.7 55.9 46.9 38.3 27.1
Max °F 29.3 29.8 37.2 45.3 54.9 64.4 70.5 69.8 63.1 54.5 45 34.2

Sea temperature

The graph below shows the average sea temperature.

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

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

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

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Osterville weather stats

Osterville weather statistics
Hottest month: July 25.2°C 77.4°F
Driest month: June 65mm 2.6ins
Sunniest month: October 7.4hrs
Coldest month: January 2.4°C 36.3°F
Wettest month: November 119mm 4.7ins
Warmest sea: August 20.3°C 68.5°F
Map showing location of Osterville (41.62844, -70.38697) Osterville map pin © Google

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