|
Typical Ottawa December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | -1.6 °C | |
| Average daily low | -8.5 °C | |
| Average monthly precipitation | 7.2 cm | |
| Average monthly snow | 42.4 cm | |
| Daily chance of precipitation | 49.9% | |
| Daily chance of snow | 36.5% | |
|
Ottawa December Weather Records 1889–2024 |
||
|---|---|---|
| Highest temperature | 17.2 °C | December 4, 2012 |
| Lowest temperature | -38.9 °C | December 29, 1933 |
| Highest daily low | 8.9 °C | December 6, 1951 |
| Lowest daily high | -31.7 °C | December 29, 1933 |
| Hottest average high temperature | 4.9 °C | 2015 |
| Coldest average high temperature | -11.9 °C | 1989 |
| Most daily precipitation | 7.3 cm | December 31, 1933 |
| Most monthly precipitation | 16.7 cm | 1933 |
| Most daily snow | 37.6 cm | December 20, 1973 |
| Most monthly snow | 111.6 cm | 1893 |
| Day | Average (°C) | Record (°C) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 1.7 | -5.1 | 12.4 | -26.7 |
| December 2 | 1.5 | -5.3 | 11.9 | -26.1 |
| December 3 | 1.3 | -5.5 | 15.0 | -25.6 |
| December 4 | 1.0 | -5.8 | 17.2 | -32.8 |
| December 5 | 0.7 | -6.1 | 16.0 | -26.7 |
| December 6 | 0.5 | -6.3 | 14.6 | -28.9 |
| December 7 | 0.3 | -6.6 | 16.1 | -23.9 |
| December 8 | 0.1 | -6.7 | 8.9 | -31.7 |
| December 9 | -0.1 | -6.8 | 9.5 | -31.7 |
| December 10 | -0.2 | -7.0 | 11.0 | -30.6 |
| December 11 | -0.5 | -7.3 | 13.7 | -30.6 |
| December 12 | -0.7 | -7.5 | 11.1 | -31.7 |
| December 13 | -0.9 | -7.8 | 12.8 | -28.9 |
| December 14 | -1.0 | -8.0 | 11.7 | -31.7 |
| December 15 | -1.3 | -8.2 | 10.9 | -30.6 |
| December 16 | -1.6 | -8.5 | 16.0 | -29.4 |
| December 17 | -1.8 | -8.8 | 10.3 | -30.0 |
| December 18 | -2.0 | -9.1 | 6.5 | -27.8 |
| December 19 | -2.2 | -9.4 | 8.9 | -30.6 |
| December 20 | -2.4 | -9.6 | 13.3 | -36.7 |
| December 21 | -2.5 | -9.8 | 11.1 | -31.7 |
| December 22 | -2.6 | -10.0 | 13.3 | -35.0 |
| December 23 | -2.7 | -10.1 | 11.7 | -28.9 |
| December 24 | -2.8 | -10.2 | 17.1 | -31.7 |
| December 25 | -3.0 | -10.4 | 12.0 | -32.0 |
| December 26 | -3.1 | -10.6 | 11.7 | -31.7 |
| December 27 | -3.2 | -10.7 | 8.5 | -33.3 |
| December 28 | -3.3 | -10.8 | 12.5 | -35.0 |
| December 29 | -3.4 | -10.9 | 7.4 | -38.9 |
| December 30 | -3.5 | -11.0 | 10.0 | -38.3 |
| December 31 | -3.6 | -11.1 | 9.4 | -33.9 |
| Years | Station | Coordinates |
|---|---|---|
| 1889–2024 | Ottawa CDA | location |