Wiscasset (ME) monthly weather averages

Average daytime temperature

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

Wiscasset average temperature chart (Celsius) Wiscasset average temperature chart (Fahrenheit)
Average monthly temperatures in Wiscasset (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.4 0.1 5 11.4 17.9 22.9 25.9 25.1 20.8 14.9 8.1 0.9
°F 29.5 32.1 41 52.5 64.2 73.2 78.7 77.1 69.5 58.9 46.5 33.6

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.

Wiscasset monthly rainfall chart (mm) Wiscasset monthly rainfall chart (inches)
Average monthly rainfall in Wiscasset (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 91 83 97 101 94 86 78 82 82 97 123 113
inches 3.6 3.3 3.8 4 3.7 3.4 3.1 3.2 3.2 3.8 4.8 4.4
Rainy days 11 10 12 12 12 12 11 10 9 10 12 13

Average annual rainfall in Wiscasset: 1101mm (433.5 inches)

Average daily sunshine

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

Wiscasset average daily sunshine chart
Average daily sunshine Wiscasset
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.8 5.7 6.3 7 7.8 8.6 8.9 8.5 7.4 6.1 4.4 4.2

Day / night temperatures

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

Wiscasset average minimum / maximum temperatures (Celsius) Wiscasset average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Wiscasset (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.3 -11.2 -5.3 0.6 6.2 11.5 14.8 14.1 9.5 4 -0.9 -8.7
Max °C -1.1 0.4 5.3 11.7 18.2 23.2 26.2 25.4 21.1 15.2 8.3 1.1
Min °F 9.9 11.9 22.6 33 43.2 52.6 58.6 57.3 49.1 39.2 30.4 16.3
Max °F 19.9 22.3 32 43 54 63.1 68.9 67.5 59.5 49.3 38.7 25.2

Sea temperature

The graph below shows the average sea temperature.

Wiscasset average sea temperature chart (Celsius) Wiscasset average sea temperature chart (Fahrenheit)
Average sea temperature around Wiscasset in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.4 4.1 3.6 4.8 7.8 11.5 14.8 15.8 14.1 11.5 9.2 7.2
°F 41.8 39.3 38.5 40.7 46.1 52.8 58.7 60.5 57.4 52.7 48.5 45

Wind speed

The graph below shows the average wind speed.

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

Wiscasset relative humidity averages
Average relative humidity in Wiscasset
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
69% 67% 68% 69% 71% 75% 76% 77% 78% 76% 75% 72%