Coolest Canadian Cities in Summer
St John's, Newfoundland is the Canadian city with the coolest climate during summer. It has the lowest average daily temperature and gets the least number of really hot days during June, July and August.
The Atlantic-coast city joins seven other major cities in Canada whose summer-time daily average temperature sits below 17 °C (62.6 °F). Average temperatures for these cities are in the table below.
Scroll down the page for the rankings of major Canadian cities with the fewest summer days above 30 °C, and with the lowest temperatures ever recorded during summer.
Major cities included in the weather rankings are the 26 Canadian metropolitan areas with the largest populations, according to Statistics Canada's 2006 census.
| City | Daily Average °C |
|---|---|
| St. John's | 13.9 |
| Calgary | 15.2 |
| Victoria | 15.2 |
| Edmonton | 16.5 |
| Abbotsford | 16.8 |
| Vancouver | 16.8 |
| Saguenay | 16.8 |
| Sherbrooke | 16.8 |
Fewest Hot Days
Some cities never get many days of scorching hot weather. Eight major Canadian cities average fewer than three days during a summer when the thermometer climbs above 30 °C (86 °F).
| City | Days |
|---|---|
| St. John's | 0.2 |
| Vancouver | 0.2 |
| Victoria | 0.4 |
| Halifax | 2.0 |
| Kingston | 2.3 |
| Oshawa | 2.6 |
| Edmonton | 2.7 |
| Sherbrooke | 2.9 |
Lowest Summer Temperatures
Seven Canadian cities have dropped below -2 °C (28.4 °F) in summer. Their extreme lows at that time of year are comparable to those for Yellowknife and Whitehorse, both of which have recorded temperatures as low as -4.4 °C (24.1 °F) for June, July or August. Three major cities have experienced freezing temperatures in each of the three summer months: Calgary, Saskatoon and Regina.
| City | Lowest °C | Date |
|---|---|---|
| Regina | -5.6 | June 12, 1969 |
| Calgary | -3.3 | June 8, 1891 |
| Saskatoon | -3.3 | June 9, 1903 |
| Winnipeg | -3.3 | June 3, 1964 |
| St. John's | -3.3 | June 1, 1970 |
| Sherbrooke | -2.2 | June 3, 1965 |
| Saguenay | -2.2 | June 12, 1946 |