Last updated: June 18, 2025
In December, the average temperature in Clinton, Canada is a chilly -7°C (19°F). Expect minimums plunging to -36°C (-33°F) and maximums peaking at 5°C (41°F). With an average humidity of 97%, it's a month marked by significant dampness. Precipitation totals 58 mm (2.3 in) over approximately 12 days, making it essential to prepare for a variety of wintry conditions.
In December in Clinton, the average temperature is -7°C (19°F). Maximum temperatures can reach 5°C (41°F), while minimums can drop to as low as -36°C (-33°F). Travelers should prepare for extreme cold and dress warmly if visiting during this time.
In Clinton in December, the precipitation amount is 58 mm (2.3 in) spread over 12 days.
In Clinton in December, humidity is 97%. With an average temperature of -7°C (19°F), this humidity feels like a biting chill that penetrates through layers of clothing, making outdoor activities feel much harsher and causing your breath to freeze in the air, turning even short excursions into a daunting experience.
In Clinton 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 Clinton.
UV Risk Categories
Weather in Clinton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clinton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 43 mm (1.7 inches) | 93% | low |
| February Weather | -9°C (17°F) | 49 mm (1.9 inches) | 91% | moderate |
| March Weather | -2°C (29°F) | 35 mm (1.4 inches) | 91% | moderate |
| April Weather | 3°C (37°F) | 44 mm (1.7 inches) | 89% | high |
| May Weather | 9°C (49°F) | 49 mm (1.9 inches) | 85% | very high |
| June Weather | 13°C (55°F) | 64 mm (2.5 inches) | 83% | very high |
| July Weather | 16°C (61°F) | 62 mm (2.4 inches) | 86% | very high |
| August Weather | 15°C (60°F) | 45 mm (1.8 inches) | 82% | very high |
| September Weather | 10°C (50°F) | 59 mm (2.3 inches) | 83% | high |
| October Weather | 3°C (37°F) | 66 mm (2.6 inches) | 89% | moderate |
| November Weather | -2°C (29°F) | 73 mm (2.9 inches) | 93% | low |
| December Weather | -7°C (19°F) | 58 mm (2.3 inches) | 97% | low |