Last updated: June 18, 2025
In Saint-Colomban, Canada, the average temperature in December hovers around -7°C (20°F). Expect chilly extremes, with minimum temperatures dipping to -28°C (-18°F) and a maximum of 13°C (55°F). During this month, 97 mm (3.8 in) of precipitation is typical, spread across 12 days, creating a backdrop of 89% humidity that adds to the wintery atmosphere.
In December in Saint-Colomban, the average temperature is -7°C (20°F), with maximums reaching 13°C (55°F) and minimums dipping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for extreme cold during this time.
In Saint-Colomban in December, the precipitation amount is 97 mm (3.8 in) spread over 12 days.
In Saint-Colomban in December humidity is 89%. With an average temperature of -7°C (20°F), this humidity feels like a biting chill that seeps into your bones, making travel quite uncomfortable as you navigate the frosty air that clings to every breath.
In Saint-Colomban 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-Colomban, you can visit Hourly UV Index in Saint-Colomban.
UV Risk Categories
Weather in Saint-Colomban varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Colomban, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 88 mm (3.5 inches) | 93% | low |
| February Weather | -8°C (17°F) | 93 mm (3.7 inches) | 92% | moderate |
| March Weather | -3°C (26°F) | 95 mm (3.8 inches) | 86% | moderate |
| April Weather | 4°C (40°F) | 121 mm (4.8 inches) | 85% | high |
| May Weather | 13°C (55°F) | 115 mm (4.5 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 116 mm (4.6 inches) | 74% | very high |
| July Weather | 21°C (69°F) | 129 mm (5.1 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 117 mm (4.6 inches) | 75% | very high |
| September Weather | 15°C (59°F) | 98 mm (3.8 inches) | 78% | high |
| October Weather | 8°C (47°F) | 137 mm (5.4 inches) | 86% | moderate |
| November Weather | 0°C (32°F) | 115 mm (4.5 inches) | 88% | moderate |
| December Weather | -7°C (20°F) | 97 mm (3.8 inches) | 89% | low |