Last updated: June 18, 2025
In Lac-Brome, Canada, the average temperature in December hovers around -5°C (23°F), with extremes ranging from a chilly -27°C (-17°F) to a mild 15°C (60°F). Expect about 86 mm (3.4 in) of precipitation spread across 15 days, complemented by a high average humidity of 89%. Stay warm and dry while exploring this winter wonderland!
In December in Lac-Brome, the average temperature is -5°C (23°F). Maximum can reach 15°C (60°F), and the minimum can be as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.
In Lac-Brome in December, the precipitation amount is 86 mm (3.4 in) that falls over a span of 15 days.
In Lac-Brome in December, humidity is 89%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and prompting frequent breaks to warm up indoors.
In Lac-Brome 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 Lac-Brome, you can visit Hourly UV Index in Lac-Brome.
UV Risk Categories
Weather in Lac-Brome varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lac-Brome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 93 mm (3.7 inches) | 93% | low |
| February Weather | -7°C (20°F) | 89 mm (3.5 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 90 mm (3.5 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 120 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (55°F) | 106 mm (4.2 inches) | 80% | very high |
| June Weather | 17°C (64°F) | 126 mm (5.0 inches) | 74% | very high |
| July Weather | 20°C (69°F) | 123 mm (4.8 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 128 mm (5.0 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 84 mm (3.3 inches) | 78% | high |
| October Weather | 9°C (49°F) | 147 mm (5.8 inches) | 86% | moderate |
| November Weather | 1°C (33°F) | 125 mm (4.9 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 86 mm (3.4 inches) | 89% | low |