Last updated: June 18, 2025
In Constance Bay, Canada, the average temperature in December dips to a chilly -6°C (22°F). Temperatures can plunge as low as -29°C (-21°F), while the mercury can rise to a maximum of 14°C (58°F). Expect 78 mm (3.1 in) of precipitation spread over 12 days, and be prepared for a muggy atmosphere with an average humidity of 89%.
In December in Constance Bay, the average temperature is -6°C (22°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -29°C (-21°F). Travelers should be prepared for significant temperature fluctuations and dress accordingly for both cold and mild conditions.
In Constance Bay in December, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.
In Constance Bay in December, humidity is 89%. With an average temperature of -6°C (22°F), this humidity feels like an icy blanket clinging to your skin, making travel uncomfortable and the air feel even colder, as if every breath is laced with frost.
In Constance Bay in December, 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 Constance Bay, you can visit Hourly UV Index in Constance Bay.
UV Risk Categories
Weather in Constance Bay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Constance Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 73 mm (2.9 inches) | 93% | low |
| February Weather | -8°C (18°F) | 78 mm (3.1 inches) | 93% | moderate |
| March Weather | -3°C (27°F) | 82 mm (3.2 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 110 mm (4.3 inches) | 82% | very high |
| May Weather | 13°C (55°F) | 116 mm (4.6 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 97 mm (3.8 inches) | 68% | very high |
| July Weather | 21°C (70°F) | 114 mm (4.5 inches) | 69% | very high |
| August Weather | 20°C (68°F) | 99 mm (3.9 inches) | 67% | very high |
| September Weather | 15°C (60°F) | 75 mm (3.0 inches) | 72% | high |
| October Weather | 9°C (48°F) | 131 mm (5.1 inches) | 83% | moderate |
| November Weather | 0°C (33°F) | 94 mm (3.7 inches) | 88% | moderate |
| December Weather | -6°C (22°F) | 78 mm (3.1 inches) | 89% | low |