Kitchener – Waterloo Temperatures: Averages by Month





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

The average high and low temperatures are listed below monthly and annually for the cities, 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 Kitchener – Waterloo, 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 Kitchener – Waterloo, 2010 to 2019
High °F Low °F   High °C Low °C
28 13 January -2 -11
29 12 February -2 -11
39 22 March 4 -6
52 31 April 11 -1
68 45 May 20 7
75 52 June 24 11
82 57 July 28 14
79 55 August 26 13
72 48 September 22 9
58 39 October 15 4
44 28 November 7 -2
34 22 December 1 -6
55 35 Year 13 2
30-year temperature averages for Kitchener – Waterloo, 1981 to 2010
High °F Low °F   High °C Low °C
27 13 January -3 -10
30 15 February -1 -10
38 22 March 4 -6
53 33 April 11 1
65 44 May 18 6
74 53 June 24 12
79 57 July 26 14
77 55 August 25 13
69 48 September 20 9
56 37 October 14 3
43 30 November 6 -1
32 20 December 0 -7
54 36 Year 12 2

Days of Hot Weather in Kitchener – Waterloo

The Kitchener – Waterloo region normally has eight days a year with temperatures in the low 30s Celsius. Just once every three years, a day heats up above 35 degrees Celsius (95 °F). The 30-degree weather typically shows up here during June, July and August, and occasionally in May or September.

Days per month in Kitchener – Waterloo 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 5 0 0
April 17 3 0
May 29 12 0
June 30 23 2
July 31 30 4
August 31 28 2
September 30 16 0
October 23 4 0
November 7 0 0
December 2 0 0
Year 205 116 8

When Kitchener – Waterloo Has Frosty Weather

Kitchener – Waterloo typically has 158 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is May 6. Frost normally returns here on October 2. The frost-free period extends for 147 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Kitchener – Waterloo
  0 °C
32 °F
January 30
February 26
March 27
April 15
May 2
June 0
July 0
August 0
September 1
October 9
November 20
December 28
Year 158

How Often Kitchener – Waterloo Has Cold Temperatures

The chilliest winter nights at Kitchener – Waterloo have lows in the minus-twenties Celsius. The region averages six nights a year, most often in January, when the thermometer drops that low. The temperature can get down to -30 °C (-22 °F), but weather that cold is extremely rare here.

From November to April, it can remain below freezing here all day long. Kitchener – Waterloo typically has 64 frosty days a year.

Days per month on average in Kitchener – Waterloo when the minimum temperature drops below -2, -10, or -20 °C
  -2 °C
28 °F
-10 °C
14 °F
-20 °C
-4 °F
January 27 15 3
February 24 13 2
March 22 7 0
April 8 0 0
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 4 0 0
November 13 1 0
December 23 9 1
Year 121 45 6
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.

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