| Record | Extreme | Location | Date |
| Highest Temperature | 2021 Western North America heat wave| | Lytton, British Columbia | June 29, 2021 |
| Lowest Temperature | | Snag, Yukon | February 3, 1947 |
| Greatest Rainfall | | Ucluelet Brynnor Mines, British Columbia | October 6, 1967 |
| Greatest Snowfall in one season* | | Mount Copeland, British Columbia | 1971–1972 |
| Greatest Snowfall in one day | | Tahtsa Lake, British Columbia | Feb 11, 1999 |
| Highest Humidex reading | 52.6 C | Carman, Manitoba | July 25, 2007 |
| Lowest Wind chill reading | -78.9 C | Kugaaruk, Nunavut | January 13, 1975 |
| Hottest Month | | Nashlyn, Saskatchewan | July 1936 |
| Coldest Month | | Eureka, Nunavut | February 1979 |
| Greatest precipitation in one year | | Hucuktlis Lake, British Columbia | 1997 |
| Least precipitation in one year | | Rea Point, Nunavut | 1978 |
| Heaviest hailstone | | Markerville, Alberta | August 1, 2022 |
| Strongest tornado | F5 | Elie, Manitoba | June 22, 2007 |
| Greatest same-day temperature change | +43°C | Tatla Lake, British Columbia | January 5, 1982 |
| Greatest one-day change in daily maximum temperature | -40.5°C | Ghost, Alberta | January 31-February 1, 1989 |