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.
The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 26 | 8 | January | -4 | -13 |
| 27 | 9 | February | -3 | -13 |
| 37 | 19 | March | 3 | -7 |
| 51 | 30 | April | 10 | -1 |
| 67 | 43 | May | 19 | 6 |
| 73 | 51 | June | 23 | 11 |
| 79 | 57 | July | 26 | 14 |
| 76 | 55 | August | 25 | 13 |
| 70 | 48 | September | 21 | 9 |
| 56 | 38 | October | 14 | 4 |
| 43 | 27 | November | 6 | -3 |
| 32 | 19 | December | 0 | -7 |
| 53 | 34 | Year | 12 | 1 |
| 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.
| 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.
| 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.
| -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 |
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.