Biddeford (ME) monthly weather averages

Average daytime temperature

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

Biddeford average temperature chart (Celsius) Biddeford average temperature chart (Fahrenheit)
Average monthly temperatures in Biddeford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.5 1 5.7 11.7 17.8 23 26.2 25.5 21.1 15.3 8.6 2.1
°F 31.2 33.8 42.2 53.1 64 73.3 79.2 77.8 69.9 59.5 47.5 35.7

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.

Biddeford monthly rainfall chart (mm) Biddeford monthly rainfall chart (inches)
Average monthly rainfall in Biddeford (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 91 87 95 101 90 83 77 74 83 98 129 113
inches 3.6 3.4 3.7 4 3.5 3.3 3 2.9 3.2 3.9 5.1 4.4
Rainy days 11 10 11 12 12 11 10 10 9 9 12 12

Average annual rainfall in Biddeford: 1093.4mm (430.5 inches)

Average daily sunshine

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

Biddeford average daily sunshine chart
Average daily sunshine Biddeford
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.6 7.1 7.7 8.5 9.4 9.8 9.2 8.1 6.9 5.1 5.1

Day / night temperatures

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

Biddeford average minimum / maximum temperatures (Celsius) Biddeford average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Biddeford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11 -9.9 -3.9 1.2 6.4 11.4 14.7 14.1 9.7 3.9 -0.7 -7.5
Max °C -0.2 1.3 5.9 12 18.1 23.3 26.5 25.8 21.4 15.6 8.9 2.3
Min °F 12.2 14.3 25 34.2 43.4 52.4 58.5 57.3 49.4 38.9 30.8 18.5
Max °F 21.9 24.3 33.8 43.9 54 63.1 69.1 67.8 59.9 49.5 39.4 27.3

Sea temperature

The graph below shows the average sea temperature.

Biddeford average sea temperature chart (Celsius) Biddeford average sea temperature chart (Fahrenheit)
Average sea temperature around Biddeford in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5 3.5 3.2 4.7 8.4 12.8 16.5 17.5 15.5 12.2 9.3 7
°F 40.9 38.3 37.7 40.5 47.1 55.1 61.8 63.4 59.8 53.9 48.7 44.5

Wind speed

The graph below shows the average wind speed.

Biddeford average winspeed by month (km/h) Biddeford average winspeed by month (mph)
Average wind speed in Biddeford (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 17 16 14 13 13 13 14 15 16
mph 10 10 11 11 10 9 8 8 8 9 9 10

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.

Biddeford relative humidity averages
Average relative humidity in Biddeford
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 65% 66% 66% 70% 74% 74% 76% 76% 73% 73% 70%