Last updated: June 18, 2025
In Saint-Donat-de-Montcalm, Canada, the average temperature in December hovers around -9°C (15°F). Expect chilly extremes, with minimums plunging to -32°C (-26°F) and maximums reaching a milder 10°C (50°F). During this month, precipitation totals around 100 mm (3.9 in), spread over 13 days. The air is notably damp, with an average humidity of 93%, making it a truly cold and crisp time of year.
In December, in Saint-Donat-de-Montcalm, the average temperature is -9°C (15°F), with maximums reaching up to 10°C (50°F) and minimums dropping as low as -32°C (-26°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.
In Saint-Donat-de-Montcalm in December, the total precipitation amount is 100 mm (3.9 in), occurring over a span of 13 days.
In Saint-Donat-de-Montcalm in December, humidity is 93%. With an average temperature of -9°C (15°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making travel outside uncomfortable and frigid, despite the low temperatures.
In Saint-Donat-de-Montcalm in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint-Donat-de-Montcalm, you can visit Hourly UV Index in Saint-Donat-de-Montcalm.
UV Risk Categories
Weather in Saint-Donat-de-Montcalm varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Donat-de-Montcalm, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (11°F) | 84 mm (3.3 inches) | 95% | low |
| February Weather | -10°C (13°F) | 95 mm (3.7 inches) | 94% | moderate |
| March Weather | -5°C (23°F) | 97 mm (3.8 inches) | 90% | moderate |
| April Weather | 2°C (35°F) | 117 mm (4.6 inches) | 86% | very high |
| May Weather | 10°C (51°F) | 107 mm (4.2 inches) | 77% | very high |
| June Weather | 15°C (60°F) | 127 mm (5.0 inches) | 71% | very high |
| July Weather | 19°C (66°F) | 138 mm (5.4 inches) | 79% | very high |
| August Weather | 17°C (63°F) | 122 mm (4.8 inches) | 78% | very high |
| September Weather | 13°C (55°F) | 105 mm (4.1 inches) | 78% | high |
| October Weather | 6°C (43°F) | 126 mm (5.0 inches) | 87% | moderate |
| November Weather | -3°C (28°F) | 117 mm (4.6 inches) | 90% | moderate |
| December Weather | -9°C (15°F) | 100 mm (3.9 inches) | 93% | low |