Brockville
December
Weather in Brockville for December 2025
Your guide to Brockville weather in December - trends and predictions
The climate of Brockville in December is quite snowy, averaging 11 snowy days.
In general, the average temperature in Brockville at the beginning of December is 0.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 2.4 °C by the end of December.
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Snow Forecast ❄️
Temperatures
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11
Dry days
9
Rainy days
11
Snow days
1°/-3°
Temperatures
17 km/h
Avg max wind
83 %
Avg humidity
Brockville Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  3° | 2  2° | 3  1° | 4  1° | 5  0° | 6 -2° | |
| 7  -1° | 8  3° | 9 4° | 10  7° | 11  2° | 12 2° | 13 -0° |
| 14  0° | 15  4° | 16 3° | 17  6° | 18 5° | 19  0° | 20 0° |
| 21  -2° | 22 -4° | 23 -1° | 24 0° | 25 0° | 26 1° | 27 2° |
| 28 3° | 29 5° | 30 4° | 31 2° |
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Temperatures trend during December in Brockville
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 | 3° /1° | 3.3 mm | 0 cm | |
| 2 Dec. | Light rain | 2° /-1° | 2.8 mm | 0 cm | |
| 3 Dec. | Light freezing rain | 1° /-1° | 4.6 mm | 0 cm | |
| 4 Dec. | Moderate snow | 1° /-1° | 5.8 mm | 1.6 cm | |
| 5 Dec. | Light snow | 0° /-4° | 2.6 mm | 1.9 cm | |
| 6 Dec. | Light freezing rain | -2° /-8° | 0 mm | 0 cm | |
| 7 Dec. | Heavy snow | -1° /-7° | 0.7 mm | 0.6 cm | |
| 8 Dec. | Fog | 3° /-4° | 14.7 mm | 10.6 cm | |
| 9 Dec. | Mist | 4° /-2° | 10.6 mm | 2.4 cm | |
| 10 Dec. | Heavy rain | 7° /1° | 30.5 mm | 0 cm | |
| 11 Dec. | Moderate or heavy snow showers | 2° /-1° | 16.3 mm | 5.3 cm | |
| 12 Dec. | Moderate snow | 2° /-3° | 3.6 mm | 2.6 cm | |
| 13 Dec. | Light snow | 0° /-4° | 0.1 mm | 0 cm | |
| 14 Dec. | Overcast | 0° /-6° | 0 mm | 0 cm | |
| 15 Dec. | Sunny | 4° /-2° | 0 mm | 0 cm | |
| 16 Dec. | Overcast | 3° /0° | 2.6 mm | 0 cm | |
| 17 Dec. | Patchy rain possible | 6° /2° | 7.6 mm | 0 cm | |
| 18 Dec. | Moderate rain | 5° /0° | 25.5 mm | 4.7 cm | |
| 19 Dec. | Light snow showers | 0° /-6° | 8.4 mm | 6.6 cm | |
| 20 Dec. | Sunny | 0° /-4° | 0 mm | 0 cm | |
| 21 Dec. | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| 22 Dec. | Sunny | -4° /-10° | 0 mm | 0 cm | |
| 23 Dec. | Patchy rain possible | -1° /-7° | 2.4 mm | 1.6 cm | |
| 24 Dec. | Fog | 0° /-2° | 6.5 mm | 4.4 cm | |
| 25 Dec. | Fog | 0° /-5° | 0 mm | 0 cm | |
| 26 Dec. | Patchy rain possible | 1° /-3° | 0.1 mm | 0 cm | |
| 27 Dec. | Light rain | 2° /-3° | 7.3 mm | 0 cm | |
| 28 Dec. | Light drizzle | 3° /-2° | 1.4 mm | 0 cm | |
| 29 Dec. | Light drizzle | 5° /3° | 23.2 mm | 0 cm | |
| 30 Dec. | Cloudy | 4° /0° | 0.1 mm | 0 cm | |
| 31 Dec. | Overcast | 2° /-1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Brockville 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 Brockville forecast closer to your planned date for the most up-to-date weather information.
Brockville in December - FAQ
What are the expected maximum and minimum temperatures in Brockville during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Brockville during December?
Significant rainfall exceeding 180.7 mm is expected in Brockville during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Brockville in December 2025?
Brockville experiences an average snowfall of 42.325 cm during December, occurring over 11 days.
What are the typical wind conditions in Brockville during December?
The average wind speed in Brockville during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Brockville snow forecast December 2025
Track daily snowfall levels and discover Brockville’s snowy potential this December ❄️
December rainfall patterns in Brockville
Explore the daily rainfall trends and prepare for Brockvilles December weather 💧
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