Last updated: June 18, 2025
In Brantville, Canada, the average temperature in December hovers around -4°C (26°F), with a chilly minimum that can drop to -18°C (0°F) and a maximum reaching up to 12°C (55°F). Expect about 108 mm (4.3 in) of precipitation over approximately 11 days, and prepare for an average humidity of 88% that adds to the crisp winter air.
In December in Brantville, the average temperature is -4°C (26°F), with maximums reaching up to 12°C (55°F) and minimums dropping as low as -18°C (0°F). Be sure to pack warm layers if you're planning to visit during this chilly time!
In Brantville in December, the precipitation amount is 108 mm (4.3 in) over the course of 11 days.
In Brantville in December humidity is 88%. With an average temperature of -4°C (26°F), this humidity feels like walking through a heavy fog that clings to your skin, making each breath feel cold and damp, which can be quite uncomfortable for traveling.
In Brantville in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Brantville.
UV Risk Categories
Weather in Brantville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Brantville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 107 mm (4.2 inches) | 89% | low |
| February Weather | -7°C (19°F) | 94 mm (3.7 inches) | 90% | moderate |
| March Weather | -3°C (26°F) | 92 mm (3.6 inches) | 88% | moderate |
| April Weather | 2°C (36°F) | 116 mm (4.6 inches) | 86% | high |
| May Weather | 8°C (47°F) | 110 mm (4.3 inches) | 83% | very high |
| June Weather | 14°C (58°F) | 80 mm (3.2 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 76 mm (3.0 inches) | 82% | very high |
| August Weather | 20°C (67°F) | 71 mm (2.8 inches) | 84% | very high |
| September Weather | 15°C (60°F) | 105 mm (4.1 inches) | 85% | high |
| October Weather | 10°C (50°F) | 109 mm (4.3 inches) | 87% | moderate |
| November Weather | 3°C (37°F) | 141 mm (5.5 inches) | 86% | moderate |
| December Weather | -4°C (26°F) | 108 mm (4.3 inches) | 88% | low |