Last updated: June 24, 2025
In December, the average temperature in Colebrook, United States hovers around -7°C (21°F), with chilling lows that can plunge to -30°C (-22°F) and occasional highs reaching up to 13°C (56°F). During this month, expect 96 mm (3.8 in) of precipitation spread over 16 days, contributing to an average humidity of 85%. Bundle up and prepare for a frosty adventure!
In December in Colebrook, the average temperature is -7°C (21°F), with a maximum that can reach 13°C (56°F) and a minimum that can drop as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay warm and comfortable.
In Colebrook in December, the total precipitation amount is 96 mm (3.8 in) recorded over 16 days.
In Colebrook in December, humidity is 85%. With an average temperature of -7°C (21°F), this humidity feels like a biting chill that seeps into your bones, making travel quite uncomfortable and requiring extra layers to stay warm while navigating through the damp air.
In Colebrook 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 Colebrook, you can visit Hourly UV Index in Colebrook.
UV Risk Categories
Weather in Colebrook varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Colebrook, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 94 mm (3.7 inches) | 91% | low |
| February Weather | -8°C (18°F) | 89 mm (3.5 inches) | 89% | moderate |
| March Weather | -4°C (25°F) | 84 mm (3.3 inches) | 85% | moderate |
| April Weather | 3°C (38°F) | 123 mm (4.9 inches) | 84% | high |
| May Weather | 11°C (52°F) | 114 mm (4.5 inches) | 78% | very high |
| June Weather | 16°C (60°F) | 121 mm (4.8 inches) | 72% | very high |
| July Weather | 18°C (66°F) | 123 mm (4.8 inches) | 75% | very high |
| August Weather | 17°C (64°F) | 111 mm (4.4 inches) | 74% | very high |
| September Weather | 13°C (56°F) | 85 mm (3.3 inches) | 77% | high |
| October Weather | 7°C (45°F) | 151 mm (6.0 inches) | 85% | moderate |
| November Weather | -1°C (31°F) | 118 mm (4.6 inches) | 86% | moderate |
| December Weather | -7°C (21°F) | 96 mm (3.8 inches) | 85% | low |