Waterloo
December
Weather in Waterloo for December 2025
Your guide to Waterloo weather in December - trends and predictions
Waterloo typically experiences moderate snowfall in December, with an average of 9 snowy days.
In general, the average temperature in Waterloo at the beginning of December is 0.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.6 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
15
Dry days
7
Rainy days
9
Snow days
3°/0°
Temperatures
22 km/h
Avg max wind
83 %
Avg humidity
Waterloo in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  1° | 2  1° | 3  1° | 4  1° | 5 1° | 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  -1° | 22 -3° | 23 1° | 24 3° | 25 3° | 26 3° | 27  4° |
| 28 5° | 29 5° | 30  4° | 31 1° |
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Temperatures trend during December in Waterloo
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° | 8.8 mm | 2.4 cm | |
| 2 Dec. | Moderate or heavy rain with thunder | 1° /-2° | 4 mm | 0 cm | |
| 3 Dec. | Heavy snow | 1° /-3° | 6.8 mm | 0.6 cm | |
| 4 Dec. | Overcast | 1° /-2° | 4.5 mm | 1.4 cm | |
| 5 Dec. | Overcast | 1° /-3° | 12.1 mm | 2 cm | |
| 6 Dec. | Cloudy | -1° /-5° | 0 mm | 0 cm | |
| 7 Dec. | Moderate snow | 1° /-2° | 0.9 mm | 0.7 cm | |
| 8 Dec. | Fog | 4° /-1° | 0 mm | 0 cm | |
| 9 Dec. | Thundery outbreaks possible | 7° /2° | 19.2 mm | 0 cm | |
| 10 Dec. | Moderate snow | 5° /0° | 6.1 mm | 2.7 cm | |
| 11 Dec. | Light snow showers | 0° /-2° | 0.5 mm | 0.3 cm | |
| 12 Dec. | Light snow | 1° /-4° | 1.2 mm | 0 cm | |
| 13 Dec. | Partly cloudy | -2° /-6° | 0 mm | 0 cm | |
| 14 Dec. | Cloudy | 1° /-5° | 0 mm | 0 cm | |
| 15 Dec. | Partly cloudy | 3° /-2° | 1.9 mm | 1.3 cm | |
| 16 Dec. | Patchy rain possible | 4° /1° | 7.7 mm | 0 cm | |
| 17 Dec. | Light drizzle | 4° /1° | 1.9 mm | 0 cm | |
| 18 Dec. | Light snow showers | 3° /-1° | 9.3 mm | 5.3 cm | |
| 19 Dec. | Overcast | 0° /-4° | 0 mm | 0 cm | |
| 20 Dec. | Overcast | 1° /-2° | 1.5 mm | 1.1 cm | |
| 21 Dec. | Light freezing rain | -1° /-6° | 0 mm | 0 cm | |
| 22 Dec. | Light freezing rain | -3° /-7° | 0 mm | 0 cm | |
| 23 Dec. | Light drizzle | 1° /-3° | 6.1 mm | 3.6 cm | |
| 24 Dec. | Fog | 3° /-1° | 5.1 mm | 3.7 cm | |
| 25 Dec. | Fog | 3° /-1° | 0 mm | 0 cm | |
| 26 Dec. | Light rain | 3° /0° | 1.2 mm | 0 cm | |
| 27 Dec. | Moderate rain | 4° /3° | 6.7 mm | 0 cm | |
| 28 Dec. | Fog | 5° /2° | 2.3 mm | 0.7 cm | |
| 29 Dec. | Light drizzle | 5° /3° | 27.1 mm | 0 cm | |
| 30 Dec. | Sunny | 4° /0° | 3.2 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 1° /-1° | 0.2 mm | 0.1 cm | |
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Important Notice
Our weather forecast for Waterloo 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 Waterloo forecast closer to your planned date for the most up-to-date weather information.
Waterloo in December - FAQ
What are the expected maximum and minimum temperatures in Waterloo 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 Waterloo during December?
Moderate rainfall is anticipated in Waterloo during December, with a total of 89.8 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
Will it snow in Waterloo in December 2025?
Waterloo experiences an average snowfall of 10.565 cm during December, occurring over 9 days.
What are the typical wind conditions in Waterloo during December?
The average wind speed in Waterloo during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
Waterloo snow forecast December 2025
Track daily snowfall levels and discover Waterloo’s snowy potential this December ❄️
December rainfall patterns in Waterloo
Explore the daily rainfall trends and prepare for Waterloos December weather 💧
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