Ottawa
December
Weather in Ottawa for December 2024
Your guide to Ottawa weather in December - trends and predictions
In general, the average temperature in Ottawa at the beginning of December is 0.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 1 °C by the end of December.
Ottawa sees moderate rainfall in December, averaging 6 rainy days.
Ottawa experiences moderate snowfall in December, with an average of 10 snowy days.
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15
Dry days
6
Rainy days
10
Snow days
2°/-6°
Temperatures
16 km/h
Avg max wind
89 %
Avg humidity
Ottawa in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  4° | ||||||
| 2  0° | 3  1° | 4  0° | 5 -1° | 6  -3° | 7 0° | 8 -1° |
| 9  2° | 10  3° | 11 0° | 12 3° | 13  -1° | 14  0° | 15 6° |
| 16  2° | 17  5° | 18 6° | 19 0° | 20 1° | 21  -1° | 22 -2° |
| 23  3° | 24 -2° | 25 -2° | 26 -1° | 27 -0° | 28 2° | 29 3° |
| 30  3° | 31 2° |
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Temperatures trend during December in Ottawa
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Fog | 4° /0° | 0 mm | 0 cm | |
| 2 Dec. | Heavy snow | 0° /0° | 2.8 mm | 2.4 cm | |
| 3 Dec. | Light snow | 1° /0° | 9.3 mm | 3.2 cm | |
| 4 Dec. | Moderate snow | 0° /-1° | 9.7 mm | 8.2 cm | |
| 5 Dec. | Light snow | -1° /-11° | 0.3 mm | 0.3 cm | |
| 6 Dec. | Light freezing rain | -3° /-15° | 0.1 mm | 0 cm | |
| 7 Dec. | Light snow | 0° /-18° | 0.4 mm | 0.3 cm | |
| 8 Dec. | Mist | -1° /-8° | 0 mm | 0 cm | |
| 9 Dec. | Freezing fog | 2° /-4° | 0.1 mm | 0 cm | |
| 10 Dec. | Moderate rain | 3° /1° | 30.1 mm | 0 cm | |
| 11 Dec. | Moderate snow | 0° /-4° | 1.2 mm | 1 cm | |
| 12 Dec. | Light snow | 3° /-6° | 0.9 mm | 0.7 cm | |
| 13 Dec. | Partly cloudy | -1° /-4° | 0.1 mm | 0.1 cm | |
| 14 Dec. | Cloudy | 0° /-7° | 0 mm | 0 cm | |
| 15 Dec. | Partly cloudy | 6° /0° | 0 mm | 0 cm | |
| 16 Dec. | Overcast | 2° /-2° | 0 mm | 0 cm | |
| 17 Dec. | Patchy rain possible | 5° /-1° | 1.5 mm | 0 cm | |
| 18 Dec. | Moderate rain | 6° /0° | 24.1 mm | 0.5 cm | |
| 19 Dec. | Heavy snow | 0° /-9° | 11.2 mm | 9.5 cm | |
| 20 Dec. | Partly cloudy | 1° /-4° | 0 mm | 0 cm | |
| 21 Dec. | Sunny | -1° /-6° | 0 mm | 0 cm | |
| 22 Dec. | Light freezing rain | -2° /-9° | 1.1 mm | 0.5 cm | |
| 23 Dec. | Moderate or heavy snow showers | 3° /-7° | 17.8 mm | 5.2 cm | |
| 24 Dec. | Light freezing rain | -2° /-6° | 2.1 mm | 0 cm | |
| 25 Dec. | Light freezing rain | -2° /-6° | 0.6 mm | 0 cm | |
| 26 Dec. | Overcast | -1° /-8° | 0.5 mm | 0 cm | |
| 27 Dec. | Light freezing rain | 0° /-4° | 5.5 mm | 0 cm | |
| 28 Dec. | Moderate snow | 2° /-4° | 4.8 mm | 3 cm | |
| 29 Dec. | Overcast | 3° /0° | 2.9 mm | 0 cm | |
| 30 Dec. | Moderate rain at times | 3° /0° | 3 mm | 0 cm | |
| 31 Dec. | Moderate or heavy rain shower | 2° /-2° | 12.5 mm | 0.5 cm | |
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Important Notice
Our weather forecast for Ottawa in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ottawa forecast closer to your planned date for the most up-to-date weather information.
Ottawa in December - FAQ
What are the expected maximum and minimum temperatures in Ottawa during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ottawa during December?
Significant rainfall exceeding 193.7 mm is expected in Ottawa during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Ottawa during December?
Ottawa experiences an average snowfall of 44.7 cm during December, occurring over 10 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Ottawa during December?
The average wind speed in Ottawa during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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