Wellington County (Guelph)
December
Weather in Wellington County for December 2025
Your guide to Wellington County weather in December - trends and predictions
The climate of Wellington County in December is quite snowy, averaging 12 snowy days.
In general, the average temperature in Wellington County at the beginning of December is 0.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.3 °C by the end of December.
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Snow Forecast ❄️
Temperatures
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11
Dry days
8
Rainy days
12
Snow days
2°/-2°
Temperatures
22 km/h
Avg max wind
86 %
Avg humidity
Wellington County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  1° | 2  1° | 3  0° | 4  1° | 5 0° | 6 -1° | |
| 7 1° | 8  4° | 9  7° | 10  5° | 11  0° | 12  1° | 13  -2° |
| 14  1° | 15 3° | 16  4° | 17  4° | 18  3° | 19 -0° | 20 1° |
| 21  -2° | 22 -2° | 23 1° | 24 2° | 25 2° | 26 3° | 27 4° |
| 28 4° | 29 5° | 30  4° | 31 1° |
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Temperatures trend during December in Wellington County
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 or heavy sleet | 1° /-2° | 5.7 mm | 0 cm | |
| 2 Dec. | Moderate rain | 1° /-3° | 3.7 mm | 0 cm | |
| 3 Dec. | Heavy snow | 0° /-3° | 7.4 mm | 0.9 cm | |
| 4 Dec. | Overcast | 1° /-2° | 3.9 mm | 1.2 cm | |
| 5 Dec. | Overcast | 0° /-4° | 9.7 mm | 3.7 cm | |
| 6 Dec. | Overcast | -1° /-5° | 0 mm | 0 cm | |
| 7 Dec. | Heavy snow | 1° /-2° | 1.2 mm | 0.9 cm | |
| 8 Dec. | Fog | 4° /-1° | 0 mm | 0 cm | |
| 9 Dec. | Thundery outbreaks possible | 7° /2° | 17.8 mm | 0 cm | |
| 10 Dec. | Moderate snow | 5° /0° | 5.7 mm | 2.4 cm | |
| 11 Dec. | Light snow showers | 0° /-1° | 0.5 mm | 0.3 cm | |
| 12 Dec. | Patchy light snow | 1° /-4° | 0 mm | 0 cm | |
| 13 Dec. | Partly cloudy | -2° /-6° | 0 mm | 0 cm | |
| 14 Dec. | Cloudy | 1° /-6° | 0 mm | 0 cm | |
| 15 Dec. | Partly cloudy | 3° /-2° | 2.3 mm | 1.7 cm | |
| 16 Dec. | Patchy rain possible | 4° /1° | 8.4 mm | 0 cm | |
| 17 Dec. | Light drizzle | 4° /1° | 1.8 mm | 0 cm | |
| 18 Dec. | Moderate or heavy snow showers | 3° /-1° | 9 mm | 5.2 cm | |
| 19 Dec. | Light snow | 0° /-4° | 0 mm | 0 cm | |
| 20 Dec. | Overcast | 1° /-2° | 0 mm | 0 cm | |
| 21 Dec. | Light freezing rain | -2° /-6° | 0 mm | 0 cm | |
| 22 Dec. | Overcast | -2° /-7° | 0 mm | 0 cm | |
| 23 Dec. | Light freezing rain | 1° /-3° | 5.2 mm | 3.1 cm | |
| 24 Dec. | Fog | 2° /-2° | 5.3 mm | 3.8 cm | |
| 25 Dec. | Fog | 2° /-1° | 0 mm | 0 cm | |
| 26 Dec. | Light drizzle | 3° /0° | 0.8 mm | 0 cm | |
| 27 Dec. | Moderate rain | 4° /3° | 8.5 mm | 0 cm | |
| 28 Dec. | Fog | 4° /1° | 2.5 mm | 0.7 cm | |
| 29 Dec. | Light rain shower | 5° /3° | 29.2 mm | 0 cm | |
| 30 Dec. | Sunny | 4° /0° | 1.3 mm | 0 cm | |
| 31 Dec. | Light snow | 1° /-1° | 1.1 mm | 0.8 cm | |
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Important Notice
Our weather forecast for Wellington County 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 Wellington County forecast closer to your planned date for the most up-to-date weather information.
Wellington County in December - FAQ
What are the expected maximum and minimum temperatures in Wellington County 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 Wellington County during December?
Significant rainfall exceeding 131.4 mm is expected in Wellington County during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Wellington County in December 2025?
Wellington County experiences an average snowfall of 24.73 cm during December, occurring over 12 days.
What are the typical wind conditions in Wellington County during December?
The average wind speed in Wellington County during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
Wellington County snow forecast December 2025
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December rainfall patterns in Wellington County
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