Last updated: June 18, 2025
In December, the average temperature in Rouyn-Noranda, Canada plunges to a chilly -11°C (13°F). While temperatures can dip as low as -33°C (-27°F), there's a chance for milder days reaching up to 10°C (50°F). Expect precipitation totaling around 68 mm (2.7 in) over 14 days, accompanied by a high average humidity of 96%, making it a truly brisk and damp month!
In December in Rouyn-Noranda, the average temperature is -11°C (13°F), with maximums reaching 10°C (50°F) and minimums plummeting to as low as -33°C (-27°F). Travelers should be prepared for extreme cold conditions during this time.
In Rouyn-Noranda in December, the precipitation amount is 68 mm (2.7 in) distributed over a period of 14 days.
In Rouyn-Noranda in December humidity is 96%. With an average temperature of -11°C (13°F), this humidity feels like an icy mist that envelops you, making even the brisk air seem heavy and biting, turning each breath into a frosty challenge for traveling.
In Rouyn-Noranda 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 Rouyn-Noranda.
UV Risk Categories
Weather in Rouyn-Noranda varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rouyn-Noranda, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (7°F) | 45 mm (1.8 inches) | 97% | low |
| February Weather | -13°C (9°F) | 57 mm (2.2 inches) | 96% | moderate |
| March Weather | -7°C (20°F) | 52 mm (2.1 inches) | 93% | moderate |
| April Weather | 1°C (34°F) | 76 mm (3.0 inches) | 89% | high |
| May Weather | 9°C (49°F) | 90 mm (3.6 inches) | 79% | very high |
| June Weather | 15°C (60°F) | 88 mm (3.5 inches) | 76% | very high |
| July Weather | 19°C (67°F) | 93 mm (3.7 inches) | 82% | very high |
| August Weather | 17°C (63°F) | 95 mm (3.7 inches) | 85% | very high |
| September Weather | 12°C (55°F) | 101 mm (4.0 inches) | 86% | high |
| October Weather | 6°C (42°F) | 132 mm (5.2 inches) | 90% | moderate |
| November Weather | -3°C (26°F) | 84 mm (3.3 inches) | 91% | low |
| December Weather | -11°C (13°F) | 68 mm (2.7 inches) | 96% | low |