Last updated: June 18, 2025
In December, the average temperature in Acton Vale, Canada is a chilly -5°C (23°F), with extremes ranging from a frosty -28°C (-18°F) to a milder 16°C (61°F). Expect around 87 mm (3.4 in) of precipitation over 13 days, contributing to an average humidity level of a damp 89%. Stay warm and prepared for the wintery weather!
In December in Acton Vale, the average temperature is -5°C (23°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both cold and milder conditions.
In Acton Vale in December, the precipitation amount is 87 mm (3.4 in) spread over 13 days.
In Acton Vale 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 Acton Vale 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 Acton Vale, you can visit Hourly UV Index in Acton Vale.
UV Risk Categories
Weather in Acton Vale varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Acton Vale, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 88 mm (3.5 inches) | 93% | low |
| February Weather | -7°C (20°F) | 83 mm (3.3 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 84 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 117 mm (4.6 inches) | 85% | high |
| May Weather | 13°C (56°F) | 102 mm (4.0 inches) | 80% | very high |
| June Weather | 18°C (65°F) | 124 mm (4.9 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 106 mm (4.2 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 118 mm (4.6 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 69 mm (2.7 inches) | 78% | high |
| October Weather | 9°C (49°F) | 135 mm (5.3 inches) | 86% | moderate |
| November Weather | 1°C (34°F) | 117 mm (4.6 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 87 mm (3.4 inches) | 89% | low |