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Weather in Longueuil for December 2025

Your guide to Longueuil weather in December - trends and predictions

    Snow Forecast ❄️

  • The climate of Longueuil in December is quite snowy, averaging 12 snowy days.
    According to Longueuil snow forecast for December 2025, 7 snowy days are expected until the end of the month. The closest date with snow is Saturday, 20 December.

    • Temperatures

  • Until now, December 2025 in Longueuil is cooler than usual, with temperatures averaging -2.9 °C, this is -2.2 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Longueuil with the forecast suggesting a temperature of -1.7 °C, lower than the historical average.

  • In general, the average temperature in Longueuil at the beginning of December is -0.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -1.3 °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
5
Rainy days
Average snowy days
12
Snow days
Average temperatures
0°/-4°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Longueuil Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
2°
2
Light sleet
-0°
3
Light freezing rain
-0°
4
Overcast
0°
5
Light freezing rain
-1°
6
Freezing fog
-3°
7
Freezing fog
-2°
8
Freezing fog
-2°
9
Freezing fog
-1°
10
Heavy rain
2°
11
Heavy snow
-1°
12
Overcast
-0°
13
Light freezing rain
-1°
14
Partly cloudy
-2°
15
Overcast
-2°
16
Overcast
2°
17
Patchy moderate snow
2°
18
Mist
4°
19
Heavy rain
8°
20
Moderate snow
-5°
21
Heavy snow
2°
22
Cloudy
-6°
23
Light snow
-5°
24
Partly cloudy
-8°
25
Partly cloudy
-6°
26
Light drizzle
1°
27
Sunny
-3°
28
Heavy snow
-0°
29
Light snow
-6°
30
Moderate snow
4°
31
Partly cloudy
1°

Temperatures trend during December in Longueuil

See the weather trend as well as the moving average line

December weather in Longueuil day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Fog
Fog
 2° /-2° 0.6 mm 0 cm
2 Dec. Light sleet
Light sleet
 0° /-4° 3.4 mm 1.7 cm
3 Dec. Light freezing rain
Light freezing rain
 0° /-4° 5.4 mm 0.4 cm
4 Dec. Overcast
Overcast
 0° /-6° 7.7 mm 6.6 cm
5 Dec. Light freezing rain
Light freezing rain
 -1° /-7° 9.9 mm 7.1 cm
6 Dec. Freezing fog
Freezing fog
 -3° /-11° 1.1 mm 0.8 cm
7 Dec. Freezing fog
Freezing fog
 -2° /-11° 0.9 mm 0.7 cm
8 Dec. Freezing fog
Freezing fog
 -2° /-11° 7.2 mm 5.2 cm
9 Dec. Freezing fog
Freezing fog
 -1° /-9° 4.8 mm 3.5 cm
10 Dec. Heavy rain
Heavy rain
 2° /-3° 33.3 mm 10.8 cm
11 Dec. Heavy snow
Heavy snow
 -1° /-4° 20.2 mm 2.5 cm
12 Dec. Overcast
Overcast
 0° /-6° 6.6 mm 0.1 cm
13 Dec. Light freezing rain
Light freezing rain
 -1° /-8° 0.1 mm 0 cm
14 Dec. Partly cloudy
Partly cloudy
 -2° /-9° 0 mm 0 cm
15 Dec. Overcast
Overcast
 -2° /-7° 0 mm 0 cm
16 Dec. Overcast
Overcast
 2° /-3° 0 mm 0 cm
17 Dec. Patchy moderate snow
Patchy moderate snow
 2° /-6° 0.6 mm 0 cm
18 Dec. Mist
Mist
 4° /-9° 0 mm 0 cm
19 Dec. Heavy rain
Heavy rain
 8° /0° 43.5 mm 0 cm
20 Dec. Moderate snow
Moderate snow
 -5° /-7° 1.1 mm 0.7 cm
21 Dec. Heavy snow
Heavy snow
 2° /-6° 3.7 mm 2.7 cm
22 Dec. Cloudy
Cloudy
 -6° /-10° 0 mm 0 cm
23 Dec. Light snow
Light snow
 -5° /-11° 0.7 mm 0.5 cm
24 Dec. Partly cloudy
Partly cloudy
 -8° /-10° 0 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 -6° /-14° 0 mm 0 cm
26 Dec. Light drizzle
Light drizzle
 1° /-7° 3 mm 1.5 cm
27 Dec. Sunny
Sunny
 -3° /-5° 0 mm 0 cm
28 Dec. Heavy snow
Heavy snow
 0° /-7° 11 mm 8 cm
29 Dec. Light snow
Light snow
 -6° /-10° 0.4 mm 0.3 cm
30 Dec. Moderate snow
Moderate snow
 4° /1° 11.8 mm 0.2 cm
31 Dec. Partly cloudy
Partly cloudy
 1° /-1° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Longueuil 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 Longueuil forecast closer to your planned date for the most up-to-date weather information.
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Longueuil in December - FAQ

What are the expected maximum and minimum temperatures in Longueuil during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Longueuil during December?
Significant rainfall exceeding 223.9 mm is expected in Longueuil during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Longueuil in December 2025?
Longueuil experiences an average snowfall of 64.16 cm during December, occurring over 12 days.
What are the typical wind conditions in Longueuil during December?
The average wind speed in Longueuil during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Longueuil snow forecast December 2025

Track daily snowfall levels and discover Longueuil’s snowy potential this December ❄️
On average, Longueuil sees 12 snowy days during December, with approximately 64.2 cm of total snowfall.

December rainfall patterns in Longueuil

Explore the daily rainfall trends and prepare for Longueuils December weather 💧
Typically, Longueuil has 5 rainy days in December with a total of 223.9 mm of rainfall.

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Get accurate weather forecasts for Longueuil, located at latitude 45.531 and longitude -73.518. Stay updated with localized weather information tailored for Longueuil.

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