Bangor (ME) monthly weather averages

Average daytime temperature

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

Bangor average temperature chart (Celsius) Bangor average temperature chart (Fahrenheit)
Average monthly temperatures in Bangor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.9 -1.3 3.9 10.6 17.6 22.5 25.8 24.6 19.5 13.3 6.6 -0.4
°F 26.9 29.7 39.1 51 63.7 72.5 78.4 76.3 67.2 55.9 43.8 31.3

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.

Bangor monthly rainfall chart (mm) Bangor monthly rainfall chart (inches)
Average monthly rainfall in Bangor (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 83 69 85 83 89 89 85 83 90 89 102 99
inches 3.3 2.7 3.3 3.3 3.5 3.5 3.4 3.3 3.5 3.5 4 3.9
Rainy days 12 9 12 12 13 12 11 11 10 11 13 13

Average annual rainfall in Bangor: 1021.5mm (402.2 inches)

Average daily sunshine

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

Bangor average daily sunshine chart
Average daily sunshine Bangor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4 5 5.6 6.4 7.4 8.1 8.4 8 6.8 5.4 3.8 3.4

Day / night temperatures

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

Bangor average minimum / maximum temperatures (Celsius) Bangor average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bangor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -13.2 -11.8 -5.6 0.4 5.9 11 14.4 13.5 8.6 3.3 -1.6 -9.7
Max °C -2.6 -1 4.2 10.8 17.9 22.8 26.1 24.9 19.8 13.6 6.8 -0.2
Min °F 8.2 10.8 22 32.7 42.6 51.8 57.8 56.3 47.5 37.9 29.2 14.6
Max °F 17.8 20.5 30.7 42.1 53.4 62.4 68.4 66.6 57.6 47.1 36.7 23.2

Sea temperature

The graph below shows the average sea temperature.

Bangor average sea temperature chart (Celsius) Bangor average sea temperature chart (Fahrenheit)
Average sea temperature around Bangor in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.1 4.7 4.2 5.2 7.9 11 13.8 14.8 13.3 11.2 9.4 7.7
°F 43 40.5 39.5 41.4 46.2 51.7 56.8 58.6 55.9 52.1 48.8 45.9

Wind speed

The graph below shows the average wind speed.

Bangor average winspeed by month (km/h) Bangor average winspeed by month (mph)
Average wind speed in Bangor (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 17 15 13 12 12 12 14 15 15
mph 10 10 11 10 9 8 8 7 8 9 9 9

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.

Bangor relative humidity averages
Average relative humidity in Bangor
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 69% 69% 70% 71% 74% 77% 78% 79% 77% 78% 75%