Casselman monthly weather averages

Average daytime temperature

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

Casselman average temperature chart (Celsius) Casselman average temperature chart (Fahrenheit)
Average monthly temperatures in Casselman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.3 -4.4 2 10.8 18.5 23.1 26.2 24.5 19.4 12.5 5 -3
°F 20.6 24.1 35.6 51.4 65.2 73.6 79.2 76.1 66.9 54.4 41 26.6

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.

Casselman monthly rainfall chart (mm) Casselman monthly rainfall chart (inches)
Average monthly rainfall in Casselman (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 67 58 65 71 71 85 87 97 91 78 86 84
inches 2.6 2.3 2.6 2.8 2.8 3.4 3.4 3.8 3.6 3.1 3.4 3.3
Rainy days 14 11 11 11 12 13 11 12 12 12 14 14

Average annual rainfall in Casselman: 910.967mm (358.6 inches)

Average daily sunshine

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

Casselman average daily sunshine chart
Average daily sunshine Casselman
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.4 4.6 5.3 6.5 7.6 8.6 9.3 8 6 4.7 2.8 2.4

Day / night temperatures

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

Casselman average minimum / maximum temperatures (Celsius) Casselman average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Casselman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.7 -14.3 -7.2 0.6 6.7 11.6 14.5 13.3 8.6 2.9 -2.2 -11.4
Max °C -6.1 -4.2 2.2 11.1 18.8 23.4 26.5 24.8 19.7 12.7 5.2 -2.8
Min °F 3.7 6.4 19 33 44 52.9 58.1 55.9 47.4 37.2 28 11.5
Max °F 12.4 15.4 27.5 42.4 54.9 63.5 68.9 66.2 57.4 46 34.7 19.2

Sea temperature

The graph below shows the average sea temperature.

Casselman average sea temperature chart (Celsius) Casselman average sea temperature chart (Fahrenheit)
Average sea temperature around Casselman in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.5 2.5 2.2 2.9 5.6 11 16.1 18 16.1 12 8.1 5.1
°F 38.2 36.5 35.9 37.2 42.1 51.7 61 64.4 60.9 53.5 46.6 41.1

Wind speed

The graph below shows the average wind speed.

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

Casselman relative humidity averages
Average relative humidity in Casselman
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 70% 68% 64% 64% 69% 70% 74% 76% 75% 78% 78%

Other monthly averages

UV index Best time to go?

Casselman weather stats

Casselman weather statistics
Hottest month: July 26.2°C 79.2°F
Driest month: February 58mm 2.3ins
Sunniest month: July 9.3hrs
Coldest month: January -6.3°C 20.7°F
Wettest month: August 97mm 3.8ins
Warmest sea: August 18°C 64.4°F
Map showing location of Casselman (45.3168, -75.0826) Casselman map pin © Google

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