Saint-Hyacinthe
December
Weather in Saint-Hyacinthe for December 2025
Your guide to Saint-Hyacinthe weather in December - trends and predictions
The climate of Saint-Hyacinthe in December is quite snowy, averaging 14 snowy days.
According to Saint-Hyacinthe snow forecast for December 2025, 11 snowy days are expected in the next 2 weeks. The closest date with snow is Monday, 15 December.Until now, December 2025 in Saint-Hyacinthe is slightly cooler than the historical average by -1.8 °C.
Expect cooler weather in the next days in Saint-Hyacinthe with the forecast suggesting a temperature of -4 °C, lower than the historical average.
In general, the average temperature in Saint-Hyacinthe at the beginning of December is -0.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of -0.7 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
13
Dry days
4
Rainy days
14
Snow days
0°/-5°
Temperatures
17 km/h
Avg max wind
85 %
Avg humidity
Saint-Hyacinthe Weather December
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Temperatures trend during December in Saint-Hyacinthe
See the weather trend as well as the moving average line
December weather in Saint-Hyacinthe day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Fog | 1° /-3° | 0.6 mm | 0 cm | |
| 2 Dec. |  Light sleet | 0° /-4° | 4.4 mm | 2.5 cm | |
| 3 Dec. |  Light freezing rain | 0° /-4° | 5.2 mm | 0 cm | |
| 4 Dec. |  Overcast | 0° /-6° | 5.5 mm | 4.7 cm | |
| 5 Dec. |  Moderate snow | -2° /-7° | 13.2 mm | 9.6 cm | |
| 6 Dec. |  Freezing fog | -3° /-12° | 1.2 mm | 0.8 cm | |
| 7 Dec. | Freezing fog | -2° /-12° | 0.7 mm | 0.5 cm | |
| 8 Dec. | Freezing fog | -2° /-12° | 7.3 mm | 5.3 cm | |
| 9 Dec. | Fog | -1° /-9° | 3.2 mm | 2.3 cm | |
| 10 Dec. |  Heavy rain | 2° /-3° | 32.1 mm | 8.7 cm | |
| 11 Dec. |  Heavy snow | 0° /-4° | 23.8 mm | 5 cm | |
| 12 Dec. | Overcast | -1° /-7° | 6.2 mm | 0.1 cm | |
| 13 Dec. | Overcast | -1° /-12° | 0 mm | 0 cm | |
| 14 Dec. |  Partly cloudy | -6° /-12° | 0 mm | 0 cm | |
| 15 Dec. | Light freezing rain | -7° /-13° | 0.1 mm | 0.1 cm | |
| 16 Dec. |  Moderate or heavy snow showers | -6° /-13° | 1.5 mm | 1.1 cm | |
| 17 Dec. |  Patchy moderate snow | 2° /-6° | 0.5 mm | 0.1 cm | |
| 18 Dec. | Moderate or heavy snow showers | 0° /-12° | 1.8 mm | 0.3 cm | |
| 19 Dec. |  Blowing snow | -4° /-11° | 0.4 mm | 0 cm | |
| 20 Dec. | Moderate snow | -4° /-15° | 1.5 mm | 1.1 cm | |
| 21 Dec. | Mist | -3° /-10° | 0.1 mm | 0.1 cm | |
| 22 Dec. | Mist | -6° /-14° | 0.4 mm | 0.3 cm | |
| 23 Dec. |  Blizzard | 4° /-6° | 10.1 mm | 1.7 cm | |
| 24 Dec. |  Light snow | -14° /-20° | 0 mm | 0 cm | |
| 25 Dec. | Overcast | -10° /-22° | 0 mm | 0 cm | |
| 26 Dec. | Moderate or heavy snow showers | -1° /-8° | 1.7 mm | 0.5 cm | |
| 27 Dec. | Fog | -2° /-5° | 3.1 mm | 0 cm | |
| 28 Dec. |  Patchy rain possible | 1° /-4° | 0.6 mm | 0 cm | |
| 29 Dec. |  Light drizzle | 3° /1° | 7.5 mm | 0 cm | |
| 30 Dec. | Moderate snow | 3° /0° | 15.2 mm | 0.7 cm | |
| 31 Dec. |  Sunny | 1° /-2° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Saint-Hyacinthe 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 Saint-Hyacinthe forecast closer to your planned date for the most up-to-date weather information.
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Saint-Hyacinthe in December - FAQ
What are the expected maximum and minimum temperatures in Saint-Hyacinthe during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Saint-Hyacinthe during December?
Significant rainfall exceeding 222 mm is expected in Saint-Hyacinthe during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint-Hyacinthe in December 2025?
Saint-Hyacinthe experiences an average snowfall of 67.47 cm during December, occurring over 14 days.
What are the typical wind conditions in Saint-Hyacinthe during December?
The average wind speed in Saint-Hyacinthe during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Saint-Hyacinthe snow forecast December 2025
Track daily snowfall levels and discover Saint-Hyacinthe’s snowy potential this December ❄️
On average, Saint-Hyacinthe sees 14 snowy days during December, with approximately 67.5 cm of total snowfall.
December rainfall patterns in Saint-Hyacinthe
Explore the daily rainfall trends and prepare for Saint-Hyacinthes December weather 💧
Typically, Saint-Hyacinthe has 4 rainy days in December with a total of 222 mm of rainfall.
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