Last updated: June 18, 2025
In December, the average temperature in Saint-Boniface, Canada hovers around -8°C (19°F). Be prepared for extreme lows, as temperatures can plunge to -31°C (-24°F), while the mercury may rise to a maximum of 12°C (54°F). Expect 85 mm (3.3 in) of precipitation spread over 13 days, with an average humidity level of a staggering 94%.
In December in Saint-Boniface, the average temperature is -8°C (19°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -31°C (-24°F). Travelers should be prepared for cold conditions and potential fluctuations in temperature during this time.
In Saint-Boniface in December, the precipitation amount is 85 mm (3.3 in) spread over 13 days.
In Saint-Boniface in December, humidity is 94%. With an average temperature of -8°C (19°F), this humidity feels like an icy grip on your skin, making the cold air penetrative and biting, which can be quite challenging for travelers unaccustomed to such frigid conditions.
In Saint-Boniface 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 Saint-Boniface, you can visit Hourly UV Index in Saint-Boniface.
UV Risk Categories
Weather in Saint-Boniface varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Boniface, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 66 mm (2.6 inches) | 96% | low |
| February Weather | -10°C (15°F) | 74 mm (2.9 inches) | 95% | moderate |
| March Weather | -4°C (24°F) | 81 mm (3.2 inches) | 91% | moderate |
| April Weather | 3°C (38°F) | 107 mm (4.2 inches) | 85% | high |
| May Weather | 11°C (53°F) | 120 mm (4.7 inches) | 76% | very high |
| June Weather | 16°C (62°F) | 104 mm (4.1 inches) | 69% | very high |
| July Weather | 20°C (68°F) | 113 mm (4.4 inches) | 75% | very high |
| August Weather | 18°C (65°F) | 117 mm (4.6 inches) | 73% | very high |
| September Weather | 14°C (57°F) | 104 mm (4.1 inches) | 76% | high |
| October Weather | 7°C (46°F) | 115 mm (4.5 inches) | 87% | moderate |
| November Weather | -1°C (31°F) | 87 mm (3.4 inches) | 91% | moderate |
| December Weather | -8°C (19°F) | 85 mm (3.3 inches) | 94% | low |