easeweather.com
Units
°C
°F
Brockville
Forecast Today Tomorrow
more
Ontario CanadaUnited States

Weather in Brockville for December 2025

Your guide to Brockville weather in December - trends and predictions

    Snow Forecast ❄️

  • Brockville typically experiences moderate snowfall in December, with an average of 8 snowy days.

  • Temperatures

  • 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.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
9
Rainy days
Average snowy days
8
Snow days
Average temperatures
3°/-2°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Brockville in December average weather

Move between months or click on a day
Select a date

You can click on date

Access Brockville weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during December in Brockville

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
Date Weather Temperatures Rain Snow More
1 Dec. Moderate rain
Moderate rain
3° /1° 3.3 mm 0 cm
2 Dec. Light rain
Light rain
2° /-1° 2.8 mm 0 cm
3 Dec. Light freezing rain
Light freezing rain
1° /-1° 4.6 mm 0 cm
4 Dec. Moderate snow
Moderate snow
1° /-1° 5.8 mm 1.6 cm
5 Dec. Light snow
Light snow
0° /-4° 2.6 mm 1.9 cm
6 Dec. Light freezing rain
Light freezing rain
-2° /-8° 0 mm 0 cm
7 Dec. Heavy snow
Heavy snow
-1° /-7° 0.7 mm 0.6 cm
8 Dec. Fog
Fog
3° /-4° 14.7 mm 10.6 cm
9 Dec. Mist
Mist
4° /-2° 10.6 mm 2.4 cm
10 Dec. Heavy rain
Heavy rain
7° /1° 30.5 mm 0 cm
11 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-1° 16.3 mm 5.3 cm
12 Dec. Moderate snow
Moderate snow
2° /-3° 3.6 mm 2.6 cm
13 Dec. Light snow
Light snow
0° /-4° 0.1 mm 0 cm
14 Dec. Overcast
Overcast
0° /-6° 0 mm 0 cm
15 Dec. Sunny
Sunny
4° /-2° 0 mm 0 cm
16 Dec. Overcast
Overcast
3° /0° 2.6 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
6° /2° 7.6 mm 0 cm
18 Dec. Moderate rain
Moderate rain
5° /0° 25.5 mm 4.7 cm
19 Dec. Light snow showers
Light snow showers
0° /-6° 8.4 mm 6.6 cm
20 Dec. Sunny
Sunny
0° /-4° 0 mm 0 cm
21 Dec. Cloudy
Cloudy
-2° /-7° 0 mm 0 cm
22 Dec. Sunny
Sunny
-4° /-10° 0 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
-1° /-7° 2.4 mm 1.6 cm
24 Dec. Fog
Fog
0° /-2° 6.5 mm 4.4 cm
25 Dec. Fog
Fog
0° /-5° 0 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
1° /-3° 0.1 mm 0 cm
27 Dec. Light rain
Light rain
2° /-3° 7.3 mm 0 cm
28 Dec. Light drizzle
Light drizzle
3° /-2° 1.4 mm 0 cm
29 Dec. Light drizzle
Light drizzle
5° /3° 23.2 mm 0 cm
30 Dec. Cloudy
Cloudy
4° /0° 0.1 mm 0 cm
31 Dec. Overcast
Overcast
2° /-1° 0 mm 0 cm
Next
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 3° 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 152.2 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 25.795 cm during December, occurring over 8 days.
What are the typical wind conditions in Brockville during December?
The average wind speed in Brockville during December is 16 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 💧

Quick links

Location coordinates Where is Brockville?

Get accurate weather forecasts for Brockville, located at latitude 44.591 and longitude -75.687. Stay updated with localized weather information tailored for Brockville.

Found a mistake?
We appreciate your attention to details. Tell us here.