Last updated: June 24, 2025
In December, the average temperature in Athol, United States hovers around -1°C (31°F), creating a chilly atmosphere. Be prepared for extremes, as temperatures can plummet to a minimum of -23°C (-10°F) or rise to a pleasant 17°C (62°F). Expect around 123 mm (4.8 in) of precipitation over 10 days, contributing to an average humidity level of 81% that adds to the wintry vibe.
In December in Athol, the average temperature is -1°C (31°F). Maximum temperatures can reach 17°C (62°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential.
In Athol in December, the total precipitation amount is 123 mm (4.8 in) over the course of 10 days.
In Athol in December humidity is 81%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, cold mist that clings to your skin, making outdoor adventures damp and challenging.
In Athol 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 Athol, you can visit Hourly UV Index in Athol.
UV Risk Categories
Weather in Athol varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Athol, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 75 mm (3.0 inches) | 86% | moderate |
| February Weather | -1°C (30°F) | 89 mm (3.5 inches) | 84% | moderate |
| March Weather | 2°C (35°F) | 83 mm (3.3 inches) | 82% | high |
| April Weather | 8°C (46°F) | 126 mm (5.0 inches) | 80% | very high |
| May Weather | 14°C (58°F) | 90 mm (3.6 inches) | 72% | very high |
| June Weather | 20°C (68°F) | 78 mm (3.1 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 135 mm (5.3 inches) | 67% | very high |
| August Weather | 22°C (72°F) | 80 mm (3.1 inches) | 66% | very high |
| September Weather | 18°C (65°F) | 85 mm (3.4 inches) | 71% | very high |
| October Weather | 12°C (54°F) | 133 mm (5.2 inches) | 78% | high |
| November Weather | 4°C (40°F) | 98 mm (3.9 inches) | 84% | moderate |
| December Weather | -1°C (31°F) | 123 mm (4.8 inches) | 81% | low |