Toronto Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Toronto, Ontario 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 Toronto, scroll down farther. There are also monthly and yearly counts of days with frost and cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.

Average Toronto temperatures
High °F Low °F   High °C Low °C
31 20 January -1 -7
33 22 February 0 -6
40 29 March 5 -2
53 39 April 12 4
65 50 May 18 10
75 59 June 24 15
80 64 July 27 18
78 63 August 26 17
70 56 September 21 13
57 45 October 14 7
46 36 November 8 2
36 26 December 2 -3
55 43 Year 13 6

Days of Hot Weather in Toronto

Toronto usually has 12 days a year with temperatures in the low 30s Celsius. A day can reach above 35 degrees Celsius (95 °F), but that doesn't happen every year. The 30-degree weather shows up here anytime from June to September, and very rarely as early as April.

Days per month in Toronto over 10, 20 or 30 °C
  10 °C
50 °F
20 °C
68 °F
30 °C
86 °F
January 1 0 0
February 1 0 0
March 5 0 0
April 17 2 0
May 30 10 0
June 30 24 3
July 31 30 5
August 31 29 3
September 30 17 1
October 25 3 0
November 9 0 0
December 2 0 0
Year 211 117 12

When Toronto Has Frosty Weather

Toronto typically has 101 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is April 13. Frost normally returns here on November 3. The frost-free period extends for 203 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Toronto
  0 °C
32 °F
January 26
February 22
March 18
April 4
May 0
June 0
July 0
August 0
September 0
October 1
November 8
December 20
Year 101

How Often Toronto Has Cold Temperatures

Toronto's chilliest winter nights have lows in the minus-twenties °C (below -3 °F). The city averages just one night a year, usually in January, when the thermometer drops that low. Temperatures down to -30 °C (-22 °F) are not normal here.

From November to April, it can remain below freezing all day long. Toronto typically has 46 frosty days a year.

Days per month on average in Toronto when the minimum temperature drops below -2 or -10 °C
  -2 °C
28 °F
-10 °C
14 °F
January 23 9
February 19 7
March 14 2
April 2 0
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 4 0
December 16 4
Year 78 22
Reference

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

Ontario Temperatures
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