| Record | Extreme | Location | Date |
|---|
| Highest Temperature | 49.6 °C (121.3 °F)[1] | Lytton, British Columbia | June 29, 2021 |
| Lowest Temperature | −63.0 °C (−81.4 °F)[2][3] | Snag,Yukon | February 3, 1947 |
| Greatest Rainfall (in 24 hours) | 489.2 mm (19.26 in)[2] | Ucluelet Brynnor Mines,British Columbia | October 6, 1967 |
| Greatest Snowfall in one season* | 2,446.5 centimetres (963.2 in)[4] | Mount Copeland,British Columbia | 1971–1972 |
| Greatest Snowfall in one day | 145 cm (57 in)[5] | Tahtsa Lake,British Columbia | Feb 11, 1999 |
| HighestHumidex reading | 52.6 C (126.7 F)[6] | Carman, Manitoba | July 25, 2007 |
| LowestWind chill reading | -78.9 C (-110 F)[7][8] | Kugaaruk, Nunavut | January 13, 1975 |
| Hottest Month (Ave. Max.) | 35.8 °C (96.4 °F)[9] | Nashlyn, Saskatchewan | July 1936 |
| Coldest Month (Ave. Min.) | −50.1 °C (−58.2 °F)[10] | Eureka, Nunavut | February 1979 |
| Greatest precipitation in one year | 9,479 mm (373.2 in)[11] | Hucuktlis Lake,British Columbia | 1997 |
| Least precipitation in one year | 19.9 mm (0.78 in)[12] | Rea Point, Nunavut | 1978 |
| Heaviest hailstone | 292.71 g (0.65 lb)[13] | Markerville, Alberta | August 1, 2022 |
| Strongesttornado | F5[14] 420–510 km/h (260–320 mph) | Elie, Manitoba | June 22, 2007 |
| Greatest same-day temperature change | +43°C (+77.4°F)[15] | Tatla Lake, British Columbia | January 5, 1982 |
| Greatest one-day change in daily maximum temperature | -40.5°C (-72.9°F)[16] | Ghost, Alberta | January 31-February 1, 1989 |
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