Weather extremes in Canada
This table shows record weather extremes in Canada.
| Record | Extreme | Location | Date |
|---|---|---|---|
| Highest Temperature | 45.0 °C (113.0 °F)[1] | Midale and Yellow Grass, Saskatchewan | July 5, 1937 |
| Lowest Temperature | -63.0 °C (-81.4 °F)[1][2] | Snag, Yukon | February 3, 1947 |
| Greatest Rainfall (in 24 hours) | 489.2 mm (19.26 in)[1] | Ucluelet Brynnor Mines, British Columbia | October 6, 1967 |
| Greatest Snowfall in one season* | 2,446.5 cm (964 in)[3] | Mount Copeland, British Columbia | 1971–1972 |
| Greatest Snowfall in one day | 145 cm (57 in)[4] | Tahtsa Lake, British Columbia | Feb 11, 1999 |
| Highest Humidex reading | 52.6[5] | Carman, Manitoba | July 25, 2007 |
| Lowest Wind chill reading | −79 °C (−110 °F) [6][7] | Kugaaruk, Nunavut | January 13, 1975 |
| Hottest Month (Ave. Max.) | 35.8 °C (96.6 °F)[8] | Nashlyn, Saskatchewan | July 1936 |
| Coldest Month (Ave. Min.) | −50.1 °C (−58.2 °F)[9] | Eureka, Nunavut | February 1979 |
| Greatest precipitation in one year | 9,479 mm (373.19 in)[10] | Henderson Lake, British Columbia | 1997 |
| Least precipitation in one year | 19.9 mm (0.78 in)[11] | Rea Point, Nunavut | 1978 |
| Heaviest hailstone | 290 g/0.64 lb[10] | Cedoux, Saskatchewan | August 27, 1973 |
| Strongest tornado | F5[12] 420 – 510 km/h | Elie, Manitoba | June 22, 2007 |
*A snowfall season is the amount of snow that falls between July 1st and June 30th, spanning over the winter period.
Provincial Extremes
| Province | Driest Place | Average Annual Precipitation (mm) |
|---|---|---|
| British Columbia | Ashcroft | 208 |
| Yukon | Komakuk | 161 |
| Alberta | Empress | 291 |
| Northwest Territories | Mould Bay | 111 |
| Saskatchewan | Alsask | 299 |
| Nunavut | Eureka | 76 |
| Manitoba | Churchill | 432 |
| Ontario | Big Trout Lake | 609 |
| Quebec | Inukjuak | 460 |
| New Brunswick | Belledune | 970 |
| Nova Scotia | Pugwash | 1052 |
| Prince Edward Island | Long River | 1046 |
| Newfoundland & Labrador | Wabush | 852 |
| Province | Extreme Rainfall Location | Maximum Daily Rainfall (mm) | Date |
|---|---|---|---|
| British Columbia | Ucluelet | 489 | 1967-10 |
| Yukon | Quiet Lake | 91 | 1972-7 |
| Alberta | Eckville | 213 | 1970-6 |
| Northwest Territories | Fort Liard | 100 | 1986-7 |
| Saskatchewan | Cypress Hill | 193 | 1998-6 |
| Nunavut | Coral Harbour | 128 | 1973-10 |
| Manitoba | Riding Mountain Park Rivers |
217 239* (awaiting confirmation) |
1975-9 2020-06 |
| Ontario | Harrow | 264 | 1989-7 |
| Quebec | Barrage des Quinze | 172 | 1932-8 |
| New Brunswick | Alma | 179 | 1962-5 |
| Nova Scotia | Halifax | 239 | 1942-9 |
| Prince Edward Island | Charlottetown | 164 | 1942-9 |
| Newfoundland & Labrador | Red Harbour | 199 | 2005-3 |
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References
- "Top Weather Events of the 20th Century". Environment Canada. May 2010. Retrieved January 26, 2013.
- "WMO Region IV (North America): Lowest Temperature". World Meteorological Organization. Retrieved 31 October 2016.
- Greatest Snowfalls in North America (Reference) - TeacherVision.com
- cbc.ca/news/canada/blasts-from-the-past-canada-s-worst-snowstorms-1.1370387
- "Canada's Top Ten Weather Stories for 2007". Environment and Climate Change Canada. Retrieved 15 January 2017.
- Canada’s Wind Chill Index
- Hourly Data Report for January 13, 1975
- Canada's National Climate Archive
- "Cold Places in Canada". The Canadian Encyclopedia. Retrieved April 11, 2013.
- "Extremes of Weather: Weather Records". The Canadian Atlas. Retrieved April 11, 2013.
- "Monthly Data Report for 1978". Environment Canada. Retrieved April 11, 2013.
- "Taken by Storm - Elie Tornado". The Weather Network. Retrieved April 11, 2013.
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