Last updated: August 23, 2025
In December, the average temperature in Arnstein, Germany hovers around 3°C (37°F). Expect a chilly range where minimums can dip to -8°C (18°F) while the maximums reach up to 13°C (56°F). This month sees approximately 96 mm (3.8 in) of precipitation over 17 days, contributing to an average humidity level of 91%. Be prepared for a wet and chilly experience!
In December in Arnstein, 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 Arnstein in December, the precipitation amount is 96 mm (3.8 in) over a span of 17 days.
In Arnstein 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 Arnstein 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 Arnstein.
UV Risk Categories
Weather in Arnstein varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arnstein, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 63 mm (2.5 inches) | 91% | low |
| February Weather | 3°C (37°F) | 57 mm (2.2 inches) | 89% | moderate |
| March Weather | 5°C (42°F) | 73 mm (2.9 inches) | 87% | moderate |
| April Weather | 9°C (49°F) | 39 mm (1.5 inches) | 83% | high |
| May Weather | 13°C (56°F) | 85 mm (3.3 inches) | 79% | very high |
| June Weather | 18°C (65°F) | 83 mm (3.3 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 75 mm (2.9 inches) | 83% | very high |
| August Weather | 19°C (67°F) | 69 mm (2.7 inches) | 84% | high |
| September Weather | 15°C (59°F) | 47 mm (1.9 inches) | 85% | high |
| October Weather | 10°C (51°F) | 58 mm (2.3 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 45 mm (1.8 inches) | 89% | low |
| December Weather | 3°C (37°F) | 96 mm (3.8 inches) | 91% | low |