Last updated: June 18, 2025
In December, the average temperature in Spirit River, Canada hovers around -9°C (15°F). Expect extremes, with minimums plummeting to -37°C (-34°F) and maximums reaching up to 8°C (47°F). During this chilly month, precipitation accumulates to 24 mm (1.0 in) over approximately 6 days, and humidity remains high at an average of 96%, creating a uniquely brisk atmosphere.
In December in Spirit River, the average temperature is -9°C (15°F). The maximum can reach 8°C (47°F), and the minimum can be as low as -37°C (-34°F). Visitors should be prepared for extremely cold conditions and dress accordingly to enjoy their trip.
In Spirit River in December, the precipitation amount is 24 mm (1.0 in) spread over a period of 6 days.
In Spirit River in December humidity is 96%. With average temperature -9°C (15°F), this humidity feels like a frigid mist enveloping you, making it difficult to stay warm while traveling. The cold air coupled with the dampness seeps into your clothes, chilling you to the bone and creating an eerie, frosty atmosphere that can feel suffocating to anyone unaccustomed to such extreme conditions.
In Spirit River 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 Spirit River.
UV Risk Categories
Weather in Spirit River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Spirit River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 23 mm (0.9 inches) | 93% | low |
| February Weather | -13°C (9°F) | 27 mm (1.1 inches) | 94% | low |
| March Weather | -6°C (22°F) | 31 mm (1.2 inches) | 89% | moderate |
| April Weather | 1°C (35°F) | 29 mm (1.1 inches) | 85% | high |
| May Weather | 11°C (51°F) | 41 mm (1.6 inches) | 81% | high |
| June Weather | 15°C (59°F) | 76 mm (3.0 inches) | 78% | high |
| July Weather | 16°C (62°F) | 90 mm (3.5 inches) | 84% | high |
| August Weather | 15°C (60°F) | 50 mm (2.0 inches) | 81% | high |
| September Weather | 10°C (50°F) | 46 mm (1.8 inches) | 80% | high |
| October Weather | 3°C (37°F) | 40 mm (1.6 inches) | 86% | moderate |
| November Weather | -6°C (22°F) | 51 mm (2.0 inches) | 91% | low |
| December Weather | -9°C (15°F) | 24 mm (1.0 inches) | 96% | low |