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Canada weather

Weather in Guelph for December 2025

Your guide to Guelph weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Weather Warning - See hour by hour.

    • Snow Forecast ❄️

  • The climate of Guelph in December is quite snowy, averaging 12 snowy days.
    According to Guelph snow forecast for December 2025, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Wednesday, 17 December.

    • Temperatures

  • Until now, December 2025 in Guelph is cooler than usual, with temperatures averaging -1.5 °C, this is -2.3 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Guelph with the forecast suggesting a temperature of -2.9 °C, lower than the historical average.

  • In general, the average temperature in Guelph at the beginning of December is 0.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.4 °C by the end of December.

    • More

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

Average dry days
11
Dry days
Average rainy days
8
Rainy days
Average snowy days
12
Snow days
Average temperatures
2°/-2°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Guelph Weather December

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

Temperatures trend during December in Guelph

See the weather trend as well as the moving average line

December weather in Guelph day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Overcast
Overcast
 0° /-3° 3.8 mm 0 cm
2 Dec. Moderate rain
Moderate rain
 1° /-3° 3.7 mm 0.9 cm
3 Dec. Heavy snow
Heavy snow
 0° /-4° 6.9 mm 2 cm
4 Dec. Overcast
Overcast
 0° /-4° 2.6 mm 0.8 cm
5 Dec. Overcast
Overcast
 0° /-6° 6.4 mm 2.4 cm
6 Dec. Overcast
Overcast
 -1° /-5° 0 mm 0 cm
7 Dec. Heavy snow
Heavy snow
 1° /-3° 4.6 mm 3.4 cm
8 Dec. Fog
Fog
 0° /-5° 0 mm 0 cm
9 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 4° /-2° 18.8 mm 0.4 cm
10 Dec. Moderate snow
Moderate snow
 4° /-1° 14.4 mm 3.4 cm
11 Dec. Light snow showers
Light snow showers
 -1° /-4° 0.4 mm 0.2 cm
12 Dec. Patchy light snow
Patchy light snow
 1° /-7° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 -2° /-7° 0 mm 0 cm
14 Dec. Light freezing rain
Light freezing rain
 -9° /-17° 0.1 mm 0 cm
15 Dec. Overcast
Overcast
 -5° /-10° 0 mm 0 cm
16 Dec. Overcast
Overcast
 -4° /-8° 0 mm 0 cm
17 Dec. Overcast
Overcast
 2° /-8° 0.1 mm 0 cm
18 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /-12° 1.5 mm 0 cm
19 Dec. Blizzard
Blizzard
 -6° /-8° 1.1 mm 0 cm
20 Dec. Heavy snow
Heavy snow
 2° /-7° 10.5 mm 1.1 cm
21 Dec. Light snow
Light snow
 -1° /-8° 0.1 mm 0 cm
22 Dec. Partly cloudy
Partly cloudy
 -4° /-11° 0 mm 0 cm
23 Dec. Light drizzle
Light drizzle
 5° /-6° 0.8 mm 0 cm
24 Dec. Blowing snow
Blowing snow
 -8° /-9° 0.1 mm 0 cm
25 Dec. Patchy moderate snow
Patchy moderate snow
 -6° /-8° 0.9 mm 0.6 cm
26 Dec. Moderate snow
Moderate snow
 -4° /-8° 1.8 mm 1.3 cm
27 Dec. Partly cloudy
Partly cloudy
 -7° /-11° 0 mm 0 cm
28 Dec. Fog
Fog
 4° /1° 2.5 mm 0.7 cm
29 Dec. Light rain shower
Light rain shower
 5° /3° 29.2 mm 0 cm
30 Dec. Sunny
Sunny
 4° /0° 1.3 mm 0 cm
31 Dec. Light snow
Light snow
 1° /-1° 1.1 mm 0.8 cm
Next
Important Notice
Our weather forecast for Guelph 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 Guelph forecast closer to your planned date for the most up-to-date weather information.
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Guelph in December - FAQ

What are the expected maximum and minimum temperatures in Guelph 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 Guelph during December?
Significant rainfall exceeding 131.4 mm is expected in Guelph during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Guelph in December 2025?
Guelph experiences an average snowfall of 24.73 cm during December, occurring over 12 days.
What are the typical wind conditions in Guelph during December?
The average wind speed in Guelph during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Guelph snow forecast December 2025

Track daily snowfall levels and discover Guelph’s snowy potential this December ❄️
On average, Guelph sees 12 snowy days during December, with approximately 24.7 cm of total snowfall.

December rainfall patterns in Guelph

Explore the daily rainfall trends and prepare for Guelphs December weather 💧
Typically, Guelph has 8 rainy days in December with a total of 131.4 mm of rainfall.

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Get accurate weather forecasts for Guelph, located at latitude 43.546 and longitude -80.256. Stay updated with localized weather information tailored for Guelph.

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