Weather in Simcoe County for December 2025
Snow Squall Warning - See hour by hour.
Expect heavy snowfall in Simcoe County during December, with an average of 17 snowy days.
According to Simcoe County snow forecast for December 2025, 10 snowy days are expected in the next 2 weeks. The closest date with snow is Sunday, 14 December.Until now, December 2025 in Simcoe County is cooler than usual, with temperatures averaging -1.6 °C, this is -2.5 °C below the typical seasonal average.
Expect cooler weather in the next days in Simcoe County with the forecast suggesting a temperature of -2.5 °C, lower than the historical average.
In general, the average temperature in Simcoe County at the beginning of December is 0.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 1.7 °C by the end of December.
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Simcoe County Weather December
Temperatures trend during December in Simcoe County
December weather in Simcoe County day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Heavy snow | 0° /-2° | 2.9 mm | 2.3 cm | |
| 2 Dec. |  Light sleet | 1° /-2° | 4.9 mm | 2.2 cm | |
| 3 Dec. | Heavy snow | 1° /-3° | 4.8 mm | 3.1 cm | |
| 4 Dec. |  Overcast | 0° /-4° | 4.8 mm | 2.8 cm | |
| 5 Dec. |  Mist | 0° /-8° | 2 mm | 0.6 cm | |
| 6 Dec. |  Patchy light snow | 0° /-5° | 6.2 mm | 4.4 cm | |
| 7 Dec. | Heavy snow | 1° /-5° | 7.1 mm | 5.2 cm | |
| 8 Dec. | Overcast | 0° /-5° | 1.4 mm | 0.4 cm | |
| 9 Dec. |  Thundery outbreaks possible | 4° /-3° | 1.5 mm | 0.4 cm | |
| 10 Dec. |  Moderate snow | 4° /-2° | 7.2 mm | 5 cm | |
| 11 Dec. |  Moderate or heavy snow showers | -2° /-4° | 5.1 mm | 3.7 cm | |
| 12 Dec. |  Light snow showers | 0° /-5° | 9.3 mm | 6.7 cm | |
| 13 Dec. |  Light freezing rain | -4° /-12° | 0.3 mm | 0 cm | |
| 14 Dec. | Moderate snow | -7° /-11° | 6.9 mm | 5 cm | |
| 15 Dec. | Overcast | -5° /-10° | 0 mm | 0 cm | |
| 16 Dec. | Moderate snow | -3° /-11° | 1.2 mm | 0.9 cm | |
| 17 Dec. |  Patchy rain possible | 2° /-1° | 0.6 mm | 0.4 cm | |
| 18 Dec. | Patchy rain possible | 2° /1° | 2 mm | 0.5 cm | |
| 19 Dec. |  Blowing snow | -4° /-9° | 0.3 mm | 0 cm | |
| 20 Dec. | Fog | 1° /-5° | 2.6 mm | 1.6 cm | |
| 21 Dec. | Light snow | -1° /-6° | 0.4 mm | 0.3 cm | |
| 22 Dec. | Mist | -4° /-10° | 2.8 mm | 0.6 cm | |
| 23 Dec. | Blowing snow | 2° /-4° | 1.6 mm | 0.1 cm | |
| 24 Dec. | Blowing snow | -12° /-17° | 0.5 mm | 0 cm | |
| 25 Dec. | Light freezing rain | -3° /-13° | 0 mm | 0 cm | |
| 26 Dec. | Fog | 1° /-6° | 0.1 mm | 0 cm | |
| 27 Dec. |  Moderate rain | 3° /1° | 13.7 mm | 0 cm | |
| 28 Dec. |  Light drizzle | 3° /1° | 0.9 mm | 0 cm | |
| 29 Dec. | Light drizzle | 4° /2° | 20.5 mm | 0 cm | |
| 30 Dec. |  Sunny | 3° /-1° | 6.5 mm | 1.4 cm | |
| 31 Dec. | Moderate snow | 1° /-1° | 2.5 mm | 1.9 cm | |
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Simcoe County in December - FAQ
Simcoe County snow forecast December 2025
December rainfall patterns in Simcoe County
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Where is Simcoe County?Get accurate weather forecasts for Simcoe County, located at latitude 44.15 and longitude -79.866. Stay updated with localized weather information tailored for Simcoe County.