The highest temperature officially recorded in Canada is 45 °C (113 °F) on July 5, 1937 at Midale and at Yellow Grass, two small towns in southeastern Saskatchewan. The Canadian high sits far below North America's all-time maximum temperature of 56.7 °C (134 °F) in Death Valley, California on July 10, 1913.
Western Canada
Heat waves of over 40 °C (104 °F) have repeatedly swept through towns and cities in southern Manitoba, Saskatchewan, Alberta and the southern interior of British Columbia.
Here are the highest temperatures recorded for some of the hottest spots in western Canada. Many of these places have topped 40 degrees Celsius more than once.
| Location |
°C |
Date |
| Lillooet and Lytton, BC |
44.4 |
July 16 & 17, 1941 |
| St Albans, Manitoba |
44.4 |
July 11, 1936 |
| Emerson, Manitoba |
44.4 |
July 12, 1936 |
| Brandon and Morden, Manitoba |
43.3 |
July 11, 1936 |
| Regina, Saskatchewan |
43.3 |
July 5, 1937 |
| Fort Macleod, Alberta |
43.3 |
July 18, 1941 |
| Oliver, BC |
42.8 |
July 27, 1939 |
| Osoyoos, BC |
42.8 |
July 27, 1998 |
| Spences Bridge, BC |
42.5 |
July 23, 1994 |
| Medicine Hat, Alberta |
42.2 |
July 12, 1886 |
| Moose Jaw, Saskatchewan |
41.7 |
Aug 6, 1949 |
| Winnipeg, Manitoba |
40.6 |
Aug 7, 1949 |
| Saskatoon, Saskatchewan |
40.6 |
June 5, 1988 |
| Kamloops, BC |
40.6 |
July 31, 1971 |
Eastern Canada
A few spots in Ontario, Quebec, and Newfoundland and Labrador have also recorded temperatures over 40 °C:
| Location |
°C |
Date |
| Atikokan, Ontario |
42.2 |
July 11 & 12, 1936 |
| Northwest River, Labrador |
41.7 |
Aug 11, 1914 |
| Windsor, Ontario |
40.2 |
June 25, 1988 |
| Temiscamingue, Quebec |
40.0 |
July 6, 1921 |
A heat wave hit Canada's maritime provinces in mid-August of 1935, setting many record highs that have remained unbeaten for over 70 years:
| Location |
°C |
Date |
| Woodstock, New Brunswick |
39.4 |
Aug 18, 1935 |
| Rexton, New Brunswick |
39.4 |
Aug 19, 1935 |
| Collegeville, Nova Scotia |
38.3 |
Aug 19, 1935 |
| Charlottetown, PEI |
36.7 |
Aug 19, 1935 |
