Calgary August Weather

Averages and records for weather in Calgary, Alberta in the month of August.
Typical Calgary August Weather
1991–2020
Average daily high 23.1 °C
Average daily low 9.2 °C
Average monthly precipitation 5.6 cm
Average monthly snow 0.0 cm
Daily chance of precipitation 33.5%
Daily chance of snow 0.35%
Calgary August Weather Records
1881–2024
Highest temperature 36.5 °C August 10, 2018
Lowest temperature -3.2 °C August 25, 1992
Highest daily low 25.6 °C August 12, 1906
Lowest daily high 5.3 °C August 23, 1992
Hottest average high temperature 27.8 °C 1971
Coldest average high temperature 17.9 °C 1899
Most daily precipitation 8.1 cm August 25, 1945
Most monthly precipitation 23.9 cm 1899
Most daily snow 6.1 cm August 25, 1900
Most monthly snow 10.4 cm 1900
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
August 1 23.9 10.3 34.4 2.2
August 2 23.9 10.3 35.0 2.0
August 3 23.9 10.3 35.6 1.9
August 4 23.9 10.2 33.9 2.2
August 5 23.9 10.2 35.0 2.2
August 6 23.8 10.2 33.9 0.0
August 7 23.8 10.1 33.3 1.7
August 8 23.7 10.0 33.3 1.1
August 9 23.7 9.9 34.0 0.0
August 10 23.6 9.8 36.5 2.2
August 11 23.5 9.7 32.2 1.1
August 12 23.4 9.6 33.9 2.8
August 13 23.3 9.5 33.6 1.7
August 14 23.2 9.4 34.2 0.6
August 15 23.1 9.4 34.4 0.6
August 16 23.1 9.3 33.3 0.0
August 17 23.0 9.2 33.8 0.6
August 18 22.9 9.1 34.0 0.6
August 19 22.8 8.9 32.2 0.0
August 20 22.7 8.8 32.8 1.1
August 21 22.5 8.7 33.3 0.0
August 22 22.4 8.5 31.7 0.4
August 23 22.3 8.3 32.2 -0.7
August 24 22.2 8.2 32.2 -2.8
August 25 22.1 8.1 31.1 -3.2
August 26 21.9 7.9 33.3 -0.6
August 27 21.8 7.8 31.1 -1.1
August 28 21.6 7.6 33.9 -1.1
August 29 21.4 7.5 33.9 -0.6
August 30 21.3 7.3 33.0 -2.2
August 31 21.1 7.1 32.4 0.6
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location