Last updated: June 18, 2025
In December, the average temperature in Calmar, Canada sits at a brisk -8°C (17°F). Be prepared for extreme conditions, as temperatures can plummet to a chilling -37°C (-35°F), while the warmest days may reach up to 8°C (47°F). During this month, expect about 21 mm (0.8 in) of precipitation spread over 6 days, with an average humidity level of a high 91%.
In December in Calmar, the average temperature is -8°C (17°F). Maximums can reach 8°C (47°F), while minimums can drop as low as -37°C (-35°F). Travelers should be prepared for extremely cold conditions and dress appropriately to enjoy the winter activities in this location.
In Calmar in December, the total precipitation amount is 21 mm (0.8 in), occurring over a span of 6 days.
In Calmar in December, humidity is 91%. With an average temperature of -8°C (17°F), this humidity feels like a chilly dampness that clings to your skin, making it uncomfortable for traveling as every step feels heavier and the cold seems to seep into your bones.
In Calmar 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 Calmar.
UV Risk Categories
Weather in Calmar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Calmar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 17 mm (0.7 inches) | 90% | low |
| February Weather | -12°C (11°F) | 21 mm (0.8 inches) | 92% | moderate |
| March Weather | -4°C (25°F) | 28 mm (1.1 inches) | 87% | moderate |
| April Weather | 2°C (36°F) | 31 mm (1.2 inches) | 81% | moderate |
| May Weather | 11°C (52°F) | 63 mm (2.5 inches) | 77% | high |
| June Weather | 15°C (59°F) | 96 mm (3.8 inches) | 77% | high |
| July Weather | 17°C (63°F) | 106 mm (4.2 inches) | 81% | very high |
| August Weather | 16°C (60°F) | 71 mm (2.8 inches) | 78% | high |
| September Weather | 10°C (51°F) | 56 mm (2.2 inches) | 73% | high |
| October Weather | 3°C (38°F) | 26 mm (1.0 inches) | 78% | moderate |
| November Weather | -4°C (24°F) | 38 mm (1.5 inches) | 82% | low |
| December Weather | -8°C (17°F) | 21 mm (0.8 inches) | 91% | low |