Last updated: June 24, 2025
In December, the average temperature in Clearbrook, United States hovers around -9°C (16°F). However, be prepared for extremes, as it can plunge to a chilling -34°C (-29°F) or rise to a maximum of 7°C (45°F). Expect 43 mm (1.7 in) of precipitation over about 9 days, with average humidity levels reaching a brisk 86%. Stay warm and dry!
In December in Clearbrook, the average temperature is -9°C (16°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -34°C (-29°F). Be sure to pack warm layers and prepare for extreme cold if you plan to travel during this time.
In Clearbrook in December, the precipitation amount reaches 43 mm (1.7 in) over the course of 9 days.
In Clearbrook in December, humidity is 86%. With an average temperature of -9°C (16°F), this humidity feels like a cold, biting chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.
In Clearbrook 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 Clearbrook, you can visit Hourly UV Index in Clearbrook.
UV Risk Categories
Weather in Clearbrook varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clearbrook, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (9°F) | 21 mm (0.8 inches) | 90% | low |
| February Weather | -13°C (8°F) | 24 mm (0.9 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 27 mm (1.1 inches) | 85% | moderate |
| April Weather | 3°C (37°F) | 56 mm (2.2 inches) | 81% | high |
| May Weather | 12°C (55°F) | 51 mm (2.0 inches) | 75% | very high |
| June Weather | 19°C (67°F) | 87 mm (3.4 inches) | 79% | very high |
| July Weather | 22°C (71°F) | 69 mm (2.7 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 77 mm (3.0 inches) | 78% | very high |
| September Weather | 15°C (59°F) | 106 mm (4.2 inches) | 77% | high |
| October Weather | 6°C (43°F) | 83 mm (3.3 inches) | 79% | moderate |
| November Weather | -4°C (26°F) | 29 mm (1.1 inches) | 86% | moderate |
| December Weather | -9°C (16°F) | 43 mm (1.7 inches) | 86% | low |