Calgary monthly weather averages

Average daytime temperature

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

Calgary average temperature chart (Celsius) Calgary average temperature chart (Fahrenheit)
Average monthly temperatures in Calgary (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.9 -0.8 2.6 9.9 15.5 19.8 22.6 22.1 16.9 11.9 2.5 -3
°F 23.1 30.5 36.7 49.7 60 67.6 72.6 71.7 62.4 53.4 36.6 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.

Calgary monthly rainfall chart (mm) Calgary monthly rainfall chart (inches)
Average monthly rainfall in Calgary (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 17 12 17 29 55 79 66 48 44 17 14 16
inches 0.7 0.5 0.7 1.1 2.2 3.1 2.6 1.9 1.7 0.7 0.6 0.6
Rainy days 9 7 8 8 10 12 11 9 8 5 6 7

Average daily sunshine

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

Calgary average daily sunshine chart
Average daily sunshine Calgary
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 5.2 6 7.5 8.6 10 10.9 9.7 7.1 6.2 4.5 3.6

Day / night temperatures

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

Calgary average minimum / maximum temperatures (Celsius) Calgary average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Calgary (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -16.4 -12.3 -8.7 -2.4 3 7.1 9.3 8.4 3.8 -1 -8.6 -14.3
Max °C -4.7 -0.6 2.9 10.2 15.9 20.1 22.9 22.4 17.2 12.2 2.8 -2.8
Min °F 2.6 10 16.3 27.8 37.3 44.8 48.7 47.1 38.8 30.2 16.5 6.4
Max °F 13.1 20.5 26.8 39 48.9 56.5 61 59.7 50.9 42.1 26.8 16.7

Sea temperature

The graph below shows the average sea temperature.

Calgary average sea temperature chart (Celsius) Calgary average sea temperature chart (Fahrenheit)
Average sea temperature around Calgary in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.4 5.3 5.5 6 6.9 8.6 10.6 12.1 11.3 9.1 7.1 5.8
°F 41.7 41.6 41.9 42.7 44.5 47.5 51 53.7 52.4 48.5 44.7 42.5

Wind speed

The graph below shows the average wind speed.

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

Calgary relative humidity averages
Average relative humidity in Calgary
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 66% 66% 59% 56% 58% 60% 61% 63% 59% 66% 66%
Calgary

Other monthly averages

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Calgary weather stats

Calgary weather statistics
Hottest month: July 22.6°C 72.7°F
Driest month: February 12mm 0.5ins
Sunniest month: July 10.9hrs
Coldest month: January -4.9°C 23.2°F
Wettest month: June 79mm 3.1ins
Warmest sea: August 12.1°C 53.8°F
Map showing location of Calgary (51.05011, -114.08529)

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