Last updated: June 18, 2025
In Belleville, Canada, the average temperature in January hovers around -6°C (22°F), with extremes ranging from a chilly -30°C (-21°F) to a milder 11°C (51°F). Expect precipitation of about 69 mm (2.7 inches) spread over 9 days, and prepare for a damp environment with an average humidity level of 93%.
In January in Belleville, the average temperature is -6°C (22°F). Maximum temperatures can reach 11°C (51°F), while the minimum can drop as low as -30°C (-21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild conditions.
In Belleville in January, the precipitation amount is 69 mm (2.7 in) spread over 9 days.
In Belleville in January humidity is 93%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable as the damp air clings to your clothing and slows your movements.
In Belleville in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Belleville, you can visit Hourly UV Index in Belleville.
UV Risk Categories
Weather in Belleville varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Belleville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 69 mm (2.7 inches) | 93% | low |
February Weather | -5°C (24°F) | 72 mm (2.8 inches) | 94% | moderate |
March Weather | 0°C (32°F) | 65 mm (2.6 inches) | 87% | moderate |
April Weather | 6°C (43°F) | 114 mm (4.5 inches) | 82% | very high |
May Weather | 13°C (56°F) | 95 mm (3.7 inches) | 74% | very high |
June Weather | 19°C (66°F) | 92 mm (3.6 inches) | 68% | very high |
July Weather | 22°C (72°F) | 89 mm (3.5 inches) | 67% | very high |
August Weather | 21°C (70°F) | 102 mm (4.0 inches) | 67% | very high |
September Weather | 17°C (63°F) | 79 mm (3.1 inches) | 74% | high |
October Weather | 10°C (51°F) | 126 mm (5.0 inches) | 83% | moderate |
November Weather | 3°C (37°F) | 90 mm (3.5 inches) | 89% | moderate |
December Weather | -2°C (28°F) | 79 mm (3.1 inches) | 91% | low |