Weather extremes in Canada

This table shows record weather extremes in Canada.

RecordExtremeLocationDate
Highest Temperature49.6 °C (121.3 °F)[1]Lytton, British ColumbiaJune 29, 2021
Lowest Temperature−63.0 °C (−81.4 °F)[2][3]Snag, YukonFebruary 3, 1947
Greatest Rainfall (in 24 hours)489.2 mm (19.26 in)[2]Ucluelet Brynnor Mines, British ColumbiaOctober 6, 1967
Greatest Snowfall in one season*2,446.5 centimetres (963.2 in)[4]Mount Copeland, British Columbia1971–1972
Greatest Snowfall in one day145 cm (57 in)[5]Tahtsa Lake, British ColumbiaFeb 11, 1999
Highest Humidex reading52.6 C (126.7 F)[6]Carman, ManitobaJuly 25, 2007
Lowest Wind chill reading-78.9 C (-110 F)[7][8] Kugaaruk, NunavutJanuary 13, 1975
Hottest Month (Ave. Max.)35.8 °C (96.4 °F)[9]Nashlyn, SaskatchewanJuly 1936
Coldest Month (Ave. Min.)−50.1 °C (−58.2 °F)[10]Eureka, NunavutFebruary 1979
Greatest precipitation in one year9,479 mm (373.2 in)[11]Hucuktlis Lake, British Columbia1997
Least precipitation in one year19.9 mm (0.78 in)[12]Rea Point, Nunavut1978
Heaviest hailstone292.71 g (0.65 lb)[13]Markerville, AlbertaAugust 1, 2022
Strongest tornadoF5[14] 420–510 km/h (260–320 mph)Elie, ManitobaJune 22, 2007

*A snowfall season is the amount of snow that falls between July 1 and June 30, spanning over the winter period.

Provincial extremes
Province Driest Place Average Annual Precipitation (mm)
 British Columbia Ashcroft 208
 Yukon Komakuk Beach 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 1038.2 [15]
 Prince Edward Island Long River 1046
 Newfoundland and 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 Rivers 239 2020-6
Ontario Harrow 264 1989-7
Quebec Barrage des Quinze 172 1932-8
New Brunswick Alma 179 1962-5
Nova Scotia HRM >250 2023-7
Prince Edward Island Charlottetown 164 1942-9
Newfoundland & Labrador Red Harbour 199 2005-3

See also

References
  1. "Canada weather: Dozens dead as heatwave shatters records". BBC News. 30 June 2021. Retrieved 2021-06-30.
  2. "Top Weather Events of the 20th Century". Environment Canada. May 2010. Retrieved January 26, 2013.
  3. "WMO Region IV (North America): Lowest Temperature". World Meteorological Organization. Retrieved 31 October 2016.
  4. Greatest Snowfalls in North America (Reference) - TeacherVision.com
  5. cbc.ca/news/canada/blasts-from-the-past-canada-s-worst-snowstorms-1.1370387
  6. "Canada's Top Ten Weather Stories for 2007". Environment and Climate Change Canada. Retrieved 15 January 2017.
  7. Canada’s Wind Chill Index
  8. Hourly Data Report for January 13, 1975
  9. Canada's National Climate Archive
  10. "Cold Places in Canada". The Canadian Encyclopedia. Archived from the original on February 9, 2012. Retrieved April 11, 2013.
  11. "Extremes of Weather: Weather Records". The Canadian Atlas. Retrieved April 11, 2013.
  12. "Monthly Data Report for 1978". Environment Canada. Retrieved April 11, 2013.
  13. "Western News - Northern Hail Project recovers record-breaking hailstone". Western News. 2022-08-03. Retrieved 2022-08-04.
  14. "Taken by Storm - Elie Tornado". The Weather Network. Retrieved April 11, 2013.
  15. "Canadian Climate Normals 1981-2010 Station Data - Climate - Environment and Climate Change Canada". 25 September 2013.
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