Last updated: June 24, 2025
In December, the average temperature in Caledonia, United States hovers around 0°C (32°F), with minimums dipping to -26°C (-15°F) and maximums reaching up to 17°C (62°F). Expect frequent precipitation during this time, with an average of 67 mm (2.6 in) falling over 11 days. Humidity levels are notably high, averaging 86%, creating a distinctly chilly atmosphere.
In December in Caledonia, the average temperature is 0°C (32°F). Maximum can reach 17°C (62°F) and minimum can be as low as -26°C (-15°F). Travelers should prepare for a wide range of temperatures and dress in layers to ensure comfort during their visit.
In Caledonia in December, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.
In Caledonia in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Caledonia 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 Caledonia, you can visit Hourly UV Index in Caledonia.
UV Risk Categories
Weather in Caledonia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Caledonia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 68 mm (2.7 inches) | 87% | low |
| February Weather | -3°C (27°F) | 73 mm (2.9 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 69 mm (2.7 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 86 mm (3.4 inches) | 87% | very high |
| May Weather | 15°C (60°F) | 147 mm (5.8 inches) | 82% | very high |
| June Weather | 21°C (70°F) | 118 mm (4.6 inches) | 81% | very high |
| July Weather | 24°C (75°F) | 81 mm (3.2 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 74 mm (2.9 inches) | 79% | very high |
| September Weather | 19°C (66°F) | 108 mm (4.3 inches) | 79% | high |
| October Weather | 12°C (53°F) | 134 mm (5.3 inches) | 82% | moderate |
| November Weather | 4°C (39°F) | 64 mm (2.5 inches) | 87% | moderate |
| December Weather | 0°C (32°F) | 67 mm (2.6 inches) | 86% | low |