Last updated: June 24, 2025
In December, the average temperature in Bonners Ferry, United States hovers around -3°C (27°F). Expect a brisk environment where temperatures can dip as low as -27°C (-17°F) and rise to a pleasant 11°C (53°F). Precipitation is noteworthy, with around 139 mm (5.5 in) falling over 18 days, contributing to an average humidity of a staggering 96%.
In December in Bonners Ferry, the average temperature is -3°C (27°F), with a maximum that can reach 11°C (53°F) and a minimum that can drop as low as -27°C (-17°F). Travelers should be prepared for cold weather and dress in layers to stay warm during their visit.
In Bonners Ferry in December, the precipitation amount is 139 mm (5.5 in) over the course of 18 days.
In Bonners Ferry in December humidity is 96%. With an average temperature of -3°C (27°F), this humidity feels like a biting cold that penetrates your clothes, making travel uncomfortable as the dampness clings to your skin and leaves you feeling chilled to the bone.
In Bonners Ferry 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 Bonners Ferry, you can visit Hourly UV Index in Bonners Ferry.
UV Risk Categories
Weather in Bonners Ferry varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bonners Ferry, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 110 mm (4.3 inches) | 95% | low |
| February Weather | -6°C (22°F) | 109 mm (4.3 inches) | 93% | moderate |
| March Weather | 0°C (33°F) | 94 mm (3.7 inches) | 91% | moderate |
| April Weather | 5°C (41°F) | 93 mm (3.7 inches) | 88% | high |
| May Weather | 11°C (53°F) | 66 mm (2.6 inches) | 83% | very high |
| June Weather | 16°C (61°F) | 53 mm (2.1 inches) | 80% | very high |
| July Weather | 21°C (69°F) | 19 mm (0.8 inches) | 82% | very high |
| August Weather | 20°C (68°F) | 31 mm (1.2 inches) | 71% | very high |
| September Weather | 14°C (57°F) | 53 mm (2.1 inches) | 71% | high |
| October Weather | 6°C (42°F) | 101 mm (4.0 inches) | 85% | moderate |
| November Weather | 1°C (34°F) | 127 mm (5.0 inches) | 90% | moderate |
| December Weather | -3°C (27°F) | 139 mm (5.5 inches) | 96% | low |