average temperature in alberta
1 The mean temperature in Edmonton, Alberta, Canada is cool at 3.6 degrees Celsius (38.5 degrees Fahrenheit). 2  Mean monthly temperatures have a variation of 30 C (54 F) which is a above moderate range. 3  There is a variation/ range of daily average temperatures of 10.2 C (18.4 F). There is a variation/ range of daily average temperatures of 10.2 C (18.4 F). 2  July is the warmest month (very mild) having an average temperature of 17.5 degrees Celsius (63.5 degrees Fahrenheit).