Mississauga
December
Weather in Mississauga for December 2025
Your guide to Mississauga weather in December - trends and predictions
Mississauga typically experiences moderate snowfall in December, with an average of 6 snowy days.
In general, the average temperature in Mississauga at the beginning of December is 1.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.7 °C by the end of December.
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Snow Forecast ❄️
Temperatures
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15
Dry days
10
Rainy days
6
Snow days
4°/1°
Temperatures
18 km/h
Avg max wind
78 %
Avg humidity
Mississauga in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  2° | 2  3° | 3  2° | 4  1° | 5 1° | 6  -0° | |
| 7  2° | 8  5° | 9  7° | 10 6° | 11 2° | 12  3° | 13  -1° |
| 14 1° | 15  4° | 16 5° | 17 6° | 18 3° | 19 0° | 20 2° |
| 21 -1° | 22 -2° | 23 1° | 24 3° | 25 2° | 26 3° | 27 4° |
| 28 4° | 29 6° | 30 5° | 31  2° |
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Temperatures trend during December in Mississauga
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. | Moderate rain | 2° /-1° | 5.4 mm | 0 cm | |
| 2 Dec. | Light rain | 3° /-1° | 3.8 mm | 0 cm | |
| 3 Dec. | Moderate or heavy sleet | 2° /0° | 9.1 mm | 0 cm | |
| 4 Dec. | Overcast | 1° /-1° | 1.9 mm | 0.6 cm | |
| 5 Dec. | Overcast | 1° /-1° | 1.3 mm | 1 cm | |
| 6 Dec. | Light freezing rain | 0° /-4° | 0 mm | 0 cm | |
| 7 Dec. | Heavy snow | 2° /-2° | 0.5 mm | 0.4 cm | |
| 8 Dec. | Fog | 5° /0° | 0 mm | 0 cm | |
| 9 Dec. | Thundery outbreaks possible | 7° /2° | 17.5 mm | 0 cm | |
| 10 Dec. | Moderate rain | 6° /1° | 7 mm | 1.1 cm | |
| 11 Dec. | Light freezing rain | 2° /0° | 1 mm | 0.7 cm | |
| 12 Dec. | Patchy rain possible | 3° /-3° | 0 mm | 0 cm | |
| 13 Dec. | Partly cloudy | -1° /-4° | 0 mm | 0 cm | |
| 14 Dec. | Overcast | 1° /-4° | 0 mm | 0 cm | |
| 15 Dec. | Sunny | 4° /-1° | 3 mm | 0.7 cm | |
| 16 Dec. | Patchy rain possible | 5° /2° | 11.2 mm | 0 cm | |
| 17 Dec. | Light drizzle | 6° /2° | 1.3 mm | 0 cm | |
| 18 Dec. | Light rain shower | 3° /-1° | 10.1 mm | 7.1 cm | |
| 19 Dec. | Overcast | 0° /-3° | 0.1 mm | 0 cm | |
| 20 Dec. | Partly cloudy | 2° /-1° | 4.1 mm | 3 cm | |
| 21 Dec. | Overcast | -1° /-5° | 0 mm | 0 cm | |
| 22 Dec. | Overcast | -2° /-6° | 0 mm | 0 cm | |
| 23 Dec. | Light drizzle | 1° /-3° | 4.5 mm | 2.4 cm | |
| 24 Dec. | Mist | 3° /-1° | 4 mm | 2.8 cm | |
| 25 Dec. | Fog | 2° /-1° | 0 mm | 0 cm | |
| 26 Dec. | Light drizzle | 3° /0° | 1.3 mm | 0 cm | |
| 27 Dec. | Moderate rain | 4° /2° | 8.5 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 4° /2° | 2.4 mm | 0 cm | |
| 29 Dec. | Light drizzle | 6° /3° | 34.2 mm | 0 cm | |
| 30 Dec. | Sunny | 5° /0° | 3.3 mm | 0 cm | |
| 31 Dec. | Light snow | 2° /0° | 3.3 mm | 2.4 cm | |
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Important Notice
Our weather forecast for Mississauga 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 Mississauga forecast closer to your planned date for the most up-to-date weather information.
Mississauga in December - FAQ
What are the expected maximum and minimum temperatures in Mississauga during December?
During December, expect a variety of temperatures with highs around 4° and lows near 1°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mississauga during December?
Moderate rainfall is anticipated in Mississauga during December, with a total of 80.3 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
Will it snow in Mississauga in December 2025?
Mississauga experiences an average snowfall of 3.835 cm during December, occurring over 6 days.
What are the typical wind conditions in Mississauga during December?
The average wind speed in Mississauga during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Mississauga snow forecast December 2025
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December rainfall patterns in Mississauga
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