Last updated: August 23, 2025
In December, the average temperature in Rieneck, Germany hovers around 3°C (37°F), with a minimum dipping as low as -8°C (18°F) and a maximum reaching up to 13°C (56°F). Expect about 102 mm (4.0 in) of precipitation over 17 days, contributing to a notable average humidity of 91%.
In December in Rieneck, the average temperature is 3°C (37°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -8°C (18°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.
In Rieneck in December, the precipitation amount is 102 mm (4.0 in) spread over 17 days.
In Rieneck in December, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.
In Rieneck in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Rieneck.
UV Risk Categories
Weather in Rieneck varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rieneck, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 66 mm (2.6 inches) | 91% | low |
| February Weather | 3°C (37°F) | 61 mm (2.4 inches) | 89% | moderate |
| March Weather | 5°C (42°F) | 80 mm (3.2 inches) | 87% | moderate |
| April Weather | 9°C (49°F) | 42 mm (1.6 inches) | 83% | high |
| May Weather | 13°C (56°F) | 91 mm (3.6 inches) | 79% | very high |
| June Weather | 18°C (65°F) | 89 mm (3.5 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 77 mm (3.0 inches) | 83% | very high |
| August Weather | 19°C (66°F) | 71 mm (2.8 inches) | 84% | high |
| September Weather | 15°C (59°F) | 50 mm (2.0 inches) | 85% | high |
| October Weather | 10°C (51°F) | 60 mm (2.4 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 49 mm (1.9 inches) | 89% | low |
| December Weather | 3°C (37°F) | 102 mm (4.0 inches) | 91% | low |