Barrie Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Barrie, 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 Barrie, 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 Barrie temperatures
High °F Low °F   High °C Low °C
27 10 January -3 -12
29 11 February -1 -12
38 19 March 3 -7
52 32 April 11 0
64 44 May 18 7
74 54 June 24 12
79 60 July 26 15
77 58 August 25 14
69 50 September 21 10
56 39 October 13 4
44 30 November 6 -1
33 19 December 0 -7
54 35 Year 12 2

Days of Hot Weather in Barrie

The hottest days at Barrie usually have temperatures peaking in the low-thirties Celsius. The city averages ten days a year with thirty-degree weather, which shows up periodically from May to September. The temperature can climb over 35 °C (95 °F), but that's quite unusual.

Days per month in Barrie above 10, 20 or 30 °C
  10 °C
50 °F
20 °C
68 °F
30 °C
86 °F
January 0 0 0
February 0 0 0
March 4 1 0
April 15 3 0
May 28 11 0
June 30 23 3
July 31 29 4
August 31 27 2
September 29 16 1
October 22 4 0
November 6 0 0
December 1 0 0
Year 198 113 10

When Barrie Has Frosty Weather

Barrie typically has 157 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 8. The frost-free period extends for 153 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Barrie
  0 °C
32 °F
January 30
February 27
March 28
April 16
May 2
June 0
July 0
August 0
September 0
October 6
November 19
December 28
Year 157

How Often Barrie Has Cold Temperatures

Barrie's chilliest winter nights have lows in the minus-twenties °C (below -3 °F). The city averages just three nights a year, mainly in January, when the thermometer drops that low. Temperatures below -30 °C (-22 °F) happen about once every year or two.

From November to April, Barrie can remain below freezing all day long. The city typically has 67 freezing days a year.

Days per month on average in Barrie 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 17 6
February 25 16 4
March 23 9 1
April 7 1 0
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 1 0 0
November 11 1 0
December 23 10 1
Year 116 53 12
Reference

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

Ontario Temperatures
Back to Top