Last updated: June 18, 2025
In Westlock, Canada, the average temperature in December hovers around -10°C (15°F), with a striking minimum of -41°C (-41°F) and a maximum reaching up to 9°C (48°F). During this chilly month, expect 19 mm (0.8 in) of precipitation over the course of 5 days, and don't forget to bundle up as the average humidity levels soar to 93%!
In December in Westlock, the average temperature is -10°C (15°F). The maximum can reach 9°C (48°F) and the minimum can be as low as -41°C (-41°F). Travelers should be prepared for extreme cold and dress accordingly.
In Westlock in December, the total precipitation amount is 19 mm (0.8 in), occurring over the course of 5 days.
In Westlock in December humidity is 93%. With an average temperature of -10°C (15°F), this humidity feels like an eerie chill that penetrates even the warmest clothing, making outdoor activities uncomfortable and travel quite challenging.
In Westlock 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 Westlock.
UV Risk Categories
Weather in Westlock varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Westlock, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 19 mm (0.7 inches) | 88% | low |
| February Weather | -13°C (9°F) | 20 mm (0.8 inches) | 93% | low |
| March Weather | -5°C (23°F) | 20 mm (0.8 inches) | 90% | moderate |
| April Weather | 2°C (36°F) | 32 mm (1.3 inches) | 78% | moderate |
| May Weather | 11°C (52°F) | 46 mm (1.8 inches) | 70% | high |
| June Weather | 15°C (59°F) | 109 mm (4.3 inches) | 70% | high |
| July Weather | 17°C (63°F) | 106 mm (4.2 inches) | 79% | very high |
| August Weather | 15°C (60°F) | 65 mm (2.6 inches) | 78% | high |
| September Weather | 10°C (50°F) | 38 mm (1.5 inches) | 73% | high |
| October Weather | 3°C (37°F) | 31 mm (1.2 inches) | 81% | moderate |
| November Weather | -5°C (23°F) | 36 mm (1.4 inches) | 85% | low |
| December Weather | -10°C (15°F) | 19 mm (0.8 inches) | 93% | low |