Last updated: June 18, 2025
In December, the average temperature in Grunthal, Canada hovers around -11°C (13°F). Temperature extremes can plunge to a chilling -34°C (-28°F), while a brief thaw might bring it up to 5°C (42°F). Expect moderate precipitation of 27 mm (1.1 in) over approximately 7 days, and don't forget the extra layer; the average humidity sits at a brisk 93%!
In December in Grunthal, the average temperature is -11°C (13°F). The maximum can reach 5°C (42°F), while the minimum can drop as low as -34°C (-28°F). Travelers should be prepared for cold conditions and dress warmly if visiting during this time.
In Grunthal in December, the precipitation amount is 27 mm (1.1 in) accumulated over 7 days.
In Grunthal in December, humidity is 93%. With an average temperature of -11°C (13°F), this humidity feels like an icy blanket wrapping around you, making travel feel both challenging and invigorating as you navigate the frosty air that clings to your skin.
In Grunthal 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 Grunthal.
UV Risk Categories
Weather in Grunthal varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grunthal, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (7°F) | 18 mm (0.7 inches) | 94% | low |
| February Weather | -15°C (5°F) | 18 mm (0.7 inches) | 91% | moderate |
| March Weather | -5°C (23°F) | 19 mm (0.7 inches) | 90% | moderate |
| April Weather | 2°C (37°F) | 30 mm (1.2 inches) | 81% | high |
| May Weather | 12°C (54°F) | 39 mm (1.5 inches) | 74% | very high |
| June Weather | 19°C (66°F) | 70 mm (2.8 inches) | 75% | very high |
| July Weather | 21°C (70°F) | 81 mm (3.2 inches) | 74% | very high |
| August Weather | 19°C (66°F) | 61 mm (2.4 inches) | 77% | very high |
| September Weather | 14°C (57°F) | 90 mm (3.5 inches) | 75% | high |
| October Weather | 5°C (41°F) | 70 mm (2.8 inches) | 78% | moderate |
| November Weather | -5°C (24°F) | 29 mm (1.2 inches) | 87% | low |
| December Weather | -11°C (13°F) | 27 mm (1.1 inches) | 93% | low |