Weather in Regional Municipality of Waterloo for December 2025
The climate of Regional Municipality of Waterloo in December is quite snowy, averaging 14 snowy days.
According to Regional Municipality of Waterloo snow forecast for December 2025, 2 snowy days are expected until the end of the month. The closest date with snow is Sunday, 21 December.Until now, December 2025 in Regional Municipality of Waterloo is cooler than usual, with temperatures averaging -1.4 °C, this is -2.3 °C below the typical seasonal average.
The forecast for the next days in Regional Municipality of Waterloo predicts temperatures to be around -1 °C, close to the historical average.
In general, the average temperature in Regional Municipality of Waterloo at the beginning of December is 0.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.7 °C by the end of December.
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Regional Municipality of Waterloo Weather December
Temperatures trend during December in Regional Municipality of Waterloo
December weather in Regional Municipality of Waterloo day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate or heavy sleet | 0° /-3° | 5.9 mm | 1.6 cm | |
| 2 Dec. |  Moderate or heavy rain with thunder | 1° /-3° | 5.1 mm | 1.8 cm | |
| 3 Dec. |  Heavy snow | 1° /-4° | 7.5 mm | 2.6 cm | |
| 4 Dec. |  Overcast | 0° /-4° | 3 mm | 0.9 cm | |
| 5 Dec. | Overcast | 0° /-6° | 8.1 mm | 1.3 cm | |
| 6 Dec. | Overcast | -1° /-4° | 0 mm | 0 cm | |
| 7 Dec. |  Moderate snow | 1° /-3° | 4.4 mm | 3.2 cm | |
| 8 Dec. |  Fog | 1° /-5° | 0 mm | 0 cm | |
| 9 Dec. |  Thundery outbreaks possible | 4° /-2° | 20.2 mm | 0.5 cm | |
| 10 Dec. | Moderate snow | 4° /-1° | 14.5 mm | 3.7 cm | |
| 11 Dec. |  Light snow showers | -1° /-4° | 1.5 mm | 1 cm | |
| 12 Dec. |  Light snow | 1° /-6° | 0.8 mm | 0 cm | |
| 13 Dec. |  Partly cloudy | -3° /-7° | 0 mm | 0 cm | |
| 14 Dec. |  Cloudy | -2° /-7° | 0 mm | 0 cm | |
| 15 Dec. | Partly cloudy | 0° /-5° | 1.2 mm | 0.9 cm | |
| 16 Dec. |  Patchy rain possible | 3° /-3° | 5.1 mm | 0 cm | |
| 17 Dec. | Overcast | 3° /0° | 1.2 mm | 0 cm | |
| 18 Dec. | Light snow showers | 3° /-1° | 24.3 mm | 3.6 cm | |
| 19 Dec. | Overcast | 1° /-5° | 7.9 mm | 0.5 cm | |
| 20 Dec. | Overcast | 1° /-2° | 1.5 mm | 1.1 cm | |
| 21 Dec. | Patchy moderate snow | -5° /-9° | 0.7 mm | 0.3 cm | |
| 22 Dec. |  Moderate or heavy snow showers | -2° /-8° | 4.5 mm | 3.3 cm | |
| 23 Dec. | Overcast | 1° /-2° | 0 mm | 0 cm | |
| 24 Dec. | Overcast | 0° /-4° | 0.1 mm | 0 cm | |
| 25 Dec. | Fog | 1° /-1° | 2.2 mm | 0 cm | |
| 26 Dec. | Overcast | 3° /-7° | 0 mm | 0 cm | |
| 27 Dec. |  Sunny | -9° /-11° | 0 mm | 0 cm | |
| 28 Dec. | Sunny | -3° /-10° | 0 mm | 0 cm | |
| 29 Dec. | Moderate or heavy snow showers | 1° /-3° | 2.9 mm | 0 cm | |
| 30 Dec. | Patchy moderate snow | 1° /-2° | 0.7 mm | 0 cm | |
| 31 Dec. | Overcast | 1° /-2° | 0 mm | 0 cm | |
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Regional Municipality of Waterloo in December - FAQ
Regional Municipality of Waterloo snow forecast December 2025
December rainfall patterns in Regional Municipality of Waterloo
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