Last updated: June 24, 2025
In Bonner-West Riverside, United States, the average temperature in December hovers around -3°C (27°F). Minimums can dip to an icy -27°C (-17°F), while the maximums may reach a brisk 14°C (58°F). Expect about 70 mm (2.7 in) of precipitation spread over 15 days, contributing to a high average humidity of 95%. Whether you're braving the cold or enjoying the frosty vista, be prepared for a truly wintry experience!
In December in Bonner-West Riverside, the average temperature is -3°C (27°F). The maximum can reach 14°C (58°F) and the minimum can be as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their trip.
In Bonner-West Riverside in December, the precipitation amount is 70 mm (2.7 in) over a period of 15 days.
In Bonner-West Riverside in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.
In Bonner-West Riverside 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 Bonner-West Riverside, you can visit Hourly UV Index in Bonner-West Riverside.
UV Risk Categories
Weather in Bonner-West Riverside varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bonner-West Riverside, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 48 mm (1.9 inches) | 93% | low |
| February Weather | -6°C (21°F) | 98 mm (3.8 inches) | 92% | moderate |
| March Weather | 0°C (32°F) | 59 mm (2.3 inches) | 89% | high |
| April Weather | 4°C (39°F) | 84 mm (3.3 inches) | 85% | high |
| May Weather | 10°C (50°F) | 88 mm (3.5 inches) | 80% | very high |
| June Weather | 15°C (59°F) | 74 mm (2.9 inches) | 78% | very high |
| July Weather | 20°C (68°F) | 19 mm (0.8 inches) | 77% | very high |
| August Weather | 19°C (67°F) | 27 mm (1.1 inches) | 66% | very high |
| September Weather | 13°C (56°F) | 37 mm (1.5 inches) | 67% | very high |
| October Weather | 5°C (41°F) | 70 mm (2.8 inches) | 77% | moderate |
| November Weather | 0°C (33°F) | 71 mm (2.8 inches) | 89% | moderate |
| December Weather | -3°C (27°F) | 70 mm (2.7 inches) | 95% | low |