| class="wikitable" |
| Record | Extreme | Location | Date |
|---|
| Highest Temperature | {{convert|2021 Western North America heat wave[{{cite news |title=Canada weather: Dozens dead as heatwave shatters records |work=BBC News |date=30 June 2021 |url=https://www.bbc.com/news/world-us-canada-57654133 |accessdate=2021-06-30}}] | Lytton, British Columbia | June 29, 2021 |
| Lowest Temperature | {{convert |
63.0|°C|°F|abbr=on}}[{{cite web|url = http://www.ec.gc.ca/meteo-weather/default.asp?lang=en&n=6a4a3ac5-1#1921-1940 |title = Top Weather Events of the 20th Century |publisher = Environment Canada |date = May 2010|accessdate = January 26, 2013}}][{{cite web |url=https://wmo.asu.edu/content/north-america-excluding-greenland-lowest-temperature |title=WMO Region IV (North America): Lowest Temperature |publisher=World Meteorological Organization |accessdate=31 October 2016}}] | Snag, Yukon | February 3, 1947 |
| Greatest Rainfall (in 24 hours) | {{convert|489.2|mm|in|abbr=on}} | Ucluelet Brynnor Mines, British Columbia | October 6, 1967 |
| Greatest Snowfall in one season* | {{convert|2,446.5|cm|in}}[[http://www.teachervision.fen.com/weather/meteorology/3825.html Greatest Snowfalls in North America (Reference) - TeacherVision.com]] | Mount Copeland, British Columbia | 1971–1972 |
| Greatest Snowfall in one day | {{convert|145|cm|in|abbr=on}}[cbc.ca/news/canada/blasts-from-the-past-canada-s-worst-snowstorms-1.1370387] | Tahtsa Lake, British Columbia | Feb 11, 1999 |
| 127.4
| Highest Humidex reading | 52.6 C (126.7 F)[{{Cite web|url=https://ec.gc.ca/meteo-weather/default.asp?lang=En&n=5EBCEA59-1 |title=Canada's Top Ten Weather Stories for 2007 |publisher=Environment and Climate Change Canada|access-date=15 January 2017}}] | Carman, Manitoba | July 25, 2007 |
| Lowest Wind chill reading | -78.9 C (-110 F)[[http://www.ec.gc.ca/meteo-weather/default.asp?lang=En&n=5FBF816A-1 Canada’s Wind Chill Index]][[http://climate.weather.gc.ca/climate_data/hourly_data_e.html?hlyRange=1955-07-16%7C1992-05-31&dlyRange=1957-08-01%7C1992-05-31&mlyRange=1957-01-01%7C1992-12-01&StationID=1718&Prov=NU&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2017&selRowPerPage=25&Line=0&searchMethod=contains&Month=1&Day=13&txtStationName=Pelly+Bay&timeframe=1&Year=19751 Hourly Data Report for January 13, 1975]]
| Kugaaruk, Nunavut | January 13, 1975 |
| Hottest Month (Ave. Max.) | {{convert|35.8|°C|°F|abbr=on}}[[http://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1911-01-01%7C1979-01-31&mlyRange=1911-01-01%7C1979-12-01&StationID=3190&Prov=SK&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2017&selRowPerPage=25&Line=0&searchMethod=contains&txtStationName=nashlyn&timeframe=2&Day=29&Year=1936&Month=7# Canada's National Climate Archive]] | Nashlyn, Saskatchewan | July 1936 |
| Coldest Month (Ave. Min.) | {{convert |
50.1|C|1}}[{{cite web |url=http://www.thecanadianencyclopedia.com/articles/cold-places-in-canada |archive-url=https://web.archive.org/web/20120209004945/http://www.thecanadianencyclopedia.com/articles/cold-places-in-canada |url-status=dead |archive-date=February 9, 2012 |title=Cold Places in Canada |publisher= The Canadian Encyclopedia |accessdate=April 11, 2013}}] | Eureka, Nunavut | February 1979 |
| Greatest precipitation in one year | {{convert|9,479|mm|in|abbr=on}}[{{cite web |url=http://canadiangeographic.ca/atlas/themes.aspx?id=weather&sub=weather_phenomena_records&lang=En |title=Extremes of Weather: Weather Records |publisher= The Canadian Atlas |accessdate=April 11, 2013}}] | Hucuktlis Lake, British Columbia | 1997 |
| Least precipitation in one year | {{convert|19.9|mm|in|abbr=on}}[{{cite web |url=http://www.climate.weatheroffice.gc.ca/climateData/monthlydata_e.html?timeframe=3&Prov=NU&StationID=1793&mlyRange=1969-01-01%7c2007-09-01&Year=1978&cmdB1=Go&Month=1&Day=13 |title=Monthly Data Report for 1978 |publisher= Environment Canada |accessdate=April 11, 2013}}] | Rea Point, Nunavut | 1978 |
| Heaviest hailstone | {{Convert|292.71|g|lb|abbr=on|sigfig=2}}[{{Cite web |date=2022-08-03 |title=Western News - Northern Hail Project recovers record-breaking hailstone |url=https://news.westernu.ca/2022/08/record-breaking-hailstone/ |access-date=2022-08-04 |website=Western News |language=en-CA}}] | Markerville, Alberta | August 1, 2022 |
| Strongest tornado | F5[{{cite web |url=http://www.theweathernetwork.com/news/storm_watch_stories3&stormfile=top10_05_06_2009 |title=Taken by Storm - Elie Tornado |publisher= The Weather Network |accessdate=April 11, 2013}}] {{convert|420 – 510|km/h|mph|abbr=on}} | Elie, Manitoba | June 22, 2007 |
| Greatest same-day temperature change | +43°C (+77.4°F)[{{cite web |url=https://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1973-06-01%7C1984-09-30&mlyRange=1973-01-01%7C1984-12-01&StationID=551&Prov=BC&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2024&selRowPerPage=25&Line=0&searchMethod=contains&Month=1&Day=3&txtStationName=tatla&timeframe=2&Year=1982 |title=Daily Data Report for January 1982 [Tatla Lake BCFS] |publisher= Government of Canada |accessdate=December 4, 2024}}] | Tatla Lake, British Columbia | January 5, 1982 |
| Greatest one-day change in daily maximum temperature | -40.5°C (-72.9°F)[{{cite web |url=https://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1958-07-01%7C1996-09-30&mlyRange=1958-01-01%7C1996-09-01&StationID=2391&Prov=AB&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2024&selRowPerPage=25&Line=2&searchMethod=contains&Month=2&Day=1&txtStationName=ghost&timeframe=2&Year=1989 |title=Daily Data Report for January 1989 [Ghost RS] |publisher= Government of Canada |accessdate=December 4, 2024}}] | Ghost, Alberta | January 31-February 1, 1989 |