Winterport (ME) monthly weather averages

Average daytime temperature

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

Winterport average temperature chart (Celsius) Winterport average temperature chart (Fahrenheit)
Average monthly temperatures in Winterport (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.7 -1.1 4 10.7 17.6 22.4 25.6 24.6 19.8 13.6 6.9 -0.1
°F 27.2 30.1 39.2 51.3 63.6 72.4 78 76.3 67.7 56.5 44.4 31.8

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.

Winterport monthly rainfall chart (mm) Winterport monthly rainfall chart (inches)
Average monthly rainfall in Winterport (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 88 74 92 90 93 90 85 82 92 94 109 105
inches 3.5 2.9 3.6 3.5 3.6 3.6 3.3 3.2 3.6 3.7 4.3 4.1
Rainy days 12 10 12 12 12 12 11 11 10 11 13 13

Average annual rainfall in Winterport: 1069.966mm (421.2 inches)

Average daily sunshine

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

Winterport average daily sunshine chart
Average daily sunshine Winterport
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.1 5.1 5.7 6.5 7.5 8.1 8.4 8.1 6.9 5.5 3.9 3.5

Day / night temperatures

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

Winterport average minimum / maximum temperatures (Celsius) Winterport average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Winterport (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -13 -11.6 -5.5 0.7 6.2 11.3 14.6 13.8 9.1 3.6 -1.3 -9.5
Max °C -2.4 -0.8 4.3 11 17.9 22.7 25.9 24.9 20.1 13.9 7.1 0.1
Min °F 8.6 11.1 22.2 33.2 43.1 52.3 58.2 56.8 48.4 38.4 29.7 14.9
Max °F 18.1 20.8 30.9 42.4 53.6 62.6 68.4 66.7 58.3 47.7 37.2 23.5

Sea temperature

The graph below shows the average sea temperature.

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

Winterport average winspeed by month (km/h) Winterport average winspeed by month (mph)
Average wind speed in Winterport (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 13 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.

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