Edmonton Temperatures: Averages by Month

The numbers here tell you how hot and cold the weather usually is in Edmonton, Alberta during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 10, 20 or 30 °C each month in Edmonton, scroll down farther. There are also monthly and yearly counts of days with frost and cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Edmonton, 2010 to 2019
High °F Low °F   High °C Low °C
25 9 January -4 -13
24 7 February -4 -14
36 18 March 2 -8
50 31 April 10 -1
65 43 May 18 6
71 51 June 22 11
75 55 July 24 13
73 53 August 23 12
64 43 September 18 6
51 33 October 10 0
32 17 November 0 -8
23 8 December -5 -13
49 31 Year 9 -1
30-year temperature averages for Edmonton, 1981 to 2010
High °F Low °F   High °C Low °C
21 5 January -6 -15
27 10 February -3 -12
36 19 March 2 -7
52 31 April 11 0
64 42 May 18 5
70 50 June 21 10
74 54 July 23 12
73 52 August 23 11
63 42 September 17 6
51 32 October 10 0
32 17 November 0 -8
24 8 December -4 -13
49 30 Year 9 -1

Days of Hot Weather in Edmonton

Edmonton's hottest temperatures of the year are usually in the low-thirties Celsius. A day that hot can show up as early as May or as late as September. The thermometer here normally doesn't rise above 35 degrees Celsius (95 °F).

Days per month in Edmonton over 10, 20 or 30 °C
  10 °C
50 °F
20 °C
68 °F
30 °C
86 °F
January 0 0 0
February 1 0 0
March 4 0 0
April 18 2 0
May 28 10 0
June 30 18 1
July 31 24 1
August 31 22 1
September 26 10 0
October 17 2 0
November 1 0 0
December 0 0 0
Year 188 88 4

When Edmonton Has Frosty Weather

Edmonton typically has 180 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is May 8. Frost normally returns here on September 22. The frost-free period extends for 135 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Edmonton
  0 °C
32 °F
January 30
February 27
March 28
April 16
May 3
June 0
July 0
August 0
September 3
October 15
November 28
December 30
Year 180

How Often Edmonton Has Cold Temperatures

The chilliest winter nights at Edmonton have lows in the minus-thirties Celsius (below -22 °F). The city averages three or fours nights a year which get that cold, mostly in January.

From October to April, Edmonton can remain below freezing all day long. It usually has 83 days a year when the temperature never rises above 0 °C.

Days per month on average in Edmonton when the minimum temperature drops below -2, -10, or -20 °C
  -2 °C
28 °F
-10 °C
14 °F
-20 °C
-4 °F
January 30 20 9
February 26 16 6
March 23 9 2
April 9 2 0
May 1 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 1 0 0
October 9 1 0
November 25 10 2
December 29 18 6
Year 153 75 25
References

Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

Alberta Temperatures
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