Last updated: June 24, 2025
In Birch Run, United States, the average temperature in December hovers around 0°C (32°F), creating a crisp and chilly atmosphere. Expect a minimum plunge to -21°C (-6°F) and a maximum peak of 17°C (63°F). During this month, precipitation totals 55 mm (2.2 in) over 10 days, contributing to the average humidity of 86%, adding to the overall dampness in the air.
In December in Birch Run, the average temperature is 0°C (32°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.
In Birch Run in December, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.
In Birch Run 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 Birch Run 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 Birch Run, you can visit Hourly UV Index in Birch Run.
UV Risk Categories
Weather in Birch Run varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Birch Run, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 60 mm (2.4 inches) | 88% | low |
| February Weather | -3°C (27°F) | 63 mm (2.5 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 62 mm (2.5 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 91 mm (3.6 inches) | 86% | very high |
| May Weather | 15°C (59°F) | 104 mm (4.1 inches) | 80% | very high |
| June Weather | 21°C (69°F) | 109 mm (4.3 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 69 mm (2.7 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 84 mm (3.3 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 93 mm (3.7 inches) | 80% | high |
| October Weather | 11°C (53°F) | 108 mm (4.3 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 63 mm (2.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 55 mm (2.2 inches) | 86% | low |