|
Typical Calgary December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | -0.4 °C | |
| Average daily low | -12.0 °C | |
| Average monthly precipitation | 1.4 cm | |
| Average monthly snow | 18.2 cm | |
| Daily chance of precipitation | 24.1% | |
| Daily chance of snow | 25.3% | |
|
Calgary December Weather Records 1881–2024 |
||
|---|---|---|
| Highest temperature | 19.5 °C | December 27, 1999 |
| Lowest temperature | -42.8 °C | December 17, 1924 |
| Highest daily low | 6.7 °C | December 29, 1956 |
| Lowest daily high | -36.7 °C | December 16, 1924 |
| Hottest average high temperature | 6.3 °C | 1999 |
| Coldest average high temperature | -11.7 °C | 1964 |
| Most daily precipitation | 2.2 cm | December 11, 1889 |
| Most monthly precipitation | 5.7 cm | 1924 |
| Most daily snow | 21.8 cm | December 11, 1889 |
| Most monthly snow | 56.7 cm | 1924 |
| Day | Average (°C) | Record (°C) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 1.0 | -10.5 | 15.2 | -32.2 |
| December 2 | 0.9 | -10.6 | 14.4 | -30.0 |
| December 3 | 0.9 | -10.7 | 16.1 | -32.8 |
| December 4 | 0.9 | -10.8 | 18.0 | -33.3 |
| December 5 | 0.8 | -10.9 | 19.4 | -33.3 |
| December 6 | 0.7 | -11.0 | 16.1 | -34.4 |
| December 7 | 0.6 | -11.1 | 16.7 | -36.7 |
| December 8 | 0.4 | -11.2 | 15.6 | -36.7 |
| December 9 | 0.3 | -11.3 | 15.4 | -35.7 |
| December 10 | 0.2 | -11.4 | 15.0 | -35.6 |
| December 11 | 0.1 | -11.5 | 12.5 | -34.4 |
| December 12 | 0.1 | -11.6 | 13.9 | -34.4 |
| December 13 | 0.0 | -11.7 | 15.2 | -32.8 |
| December 14 | -0.2 | -11.8 | 16.1 | -32.4 |
| December 15 | -0.3 | -11.9 | 16.4 | -34.4 |
| December 16 | -0.5 | -12.1 | 17.4 | -42.2 |
| December 17 | -0.6 | -12.2 | 13.9 | -42.8 |
| December 18 | -0.6 | -12.4 | 14.4 | -36.1 |
| December 19 | -0.6 | -12.4 | 17.2 | -33.3 |
| December 20 | -0.7 | -12.5 | 13.9 | -35.0 |
| December 21 | -0.7 | -12.5 | 16.1 | -35.6 |
| December 22 | -0.8 | -12.5 | 13.3 | -39.4 |
| December 23 | -0.8 | -12.6 | 14.5 | -36.7 |
| December 24 | -1.0 | -12.7 | 17.6 | -36.1 |
| December 25 | -1.1 | -12.8 | 14.8 | -35.0 |
| December 26 | -1.3 | -12.9 | 13.8 | -35.6 |
| December 27 | -1.4 | -13.1 | 19.5 | -36.1 |
| December 28 | -1.4 | -13.2 | 16.9 | -38.9 |
| December 29 | -1.5 | -13.3 | 16.1 | -38.1 |
| December 30 | -1.6 | -13.3 | 10.6 | -37.2 |
| December 31 | -1.6 | -13.4 | 13.3 | -35.6 |