average temperature of calgary
1 The average annual temperature in Calgary, Alberta, Canada is cool at 3.9 degrees Celsius (39 degrees Fahrenheit).2  The range of mean monthly temperatures is 26 C (46.8 F) which is a moderate range. 3  The variation/ range of daily mean temperatures is 12.9 C (23.2 F).verage Temperatures in Calgary, Alberta, Canada. 1  The average annual temperature in Calgary, Alberta, Canada is cool at 3.9 degrees Celsius (39 degrees Fahrenheit).