Last updated: June 24, 2025
In December, the average temperature in Bellefontaine, United States hovers around 2°C (35°F). Be prepared for a range of temperatures, with a minimum that can drop to -18°C (0°F) and a maximum reaching up to 18°C (64°F). During this month, expect 85 mm (3.4 in) of precipitation spread over approximately 10 days, alongside a high average humidity of 86%.
In December in Bellefontaine, the average temperature is 2°C (35°F). Maximum temperatures can reach 18°C (64°F), while the minimum can drop as low as -18°C (0°F). This variation makes it essential for travelers to prepare for both chilly and mild weather conditions.
In Bellefontaine in December, the precipitation amount is 85 mm (3.4 in) over the course of 10 days.
In Bellefontaine in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.
In Bellefontaine in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Bellefontaine, you can check the information here.
UV Risk Categories
Weather in Bellefontaine varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bellefontaine, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 74 mm (2.9 inches) | 88% | moderate |
| February Weather | 0°C (33°F) | 101 mm (4.0 inches) | 87% | moderate |
| March Weather | 5°C (41°F) | 102 mm (4.0 inches) | 87% | high |
| April Weather | 10°C (51°F) | 109 mm (4.3 inches) | 87% | very high |
| May Weather | 17°C (63°F) | 123 mm (4.8 inches) | 81% | very high |
| June Weather | 22°C (71°F) | 125 mm (4.9 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 110 mm (4.3 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 94 mm (3.7 inches) | 78% | very high |
| September Weather | 20°C (68°F) | 80 mm (3.2 inches) | 78% | very high |
| October Weather | 14°C (57°F) | 98 mm (3.9 inches) | 82% | high |
| November Weather | 5°C (41°F) | 94 mm (3.7 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 85 mm (3.4 inches) | 86% | moderate |