Last updated: August 23, 2025
In December, the average temperature in Castrop-Rauxel, Germany is a brisk 5°C (41°F). Expect a range that dips to a chilly -6°C (22°F) and peaks at a mild 15°C (59°F). This month typically brings about 108 mm (4.2 in) of precipitation over 20 days, contributing to an average humidity of 92%. Be prepared for a mix of cool temperatures and frequent rain!
In December in Castrop-Rauxel, the average temperature is 5°C (41°F). Maximums can reach 15°C (59°F), and minimums can be as low as -6°C (22°F). Travelers should prepare for chilly conditions and pack layers to stay comfortable throughout the day.
In Castrop-Rauxel in December, the total precipitation amount is 108 mm (4.2 in) spread over 20 days.
In Castrop-Rauxel in December humidity is 92%. With an average temperature of 5°C (41°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable and dampening the spirits of those unprepared for the chill.
In Castrop-Rauxel 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 Castrop-Rauxel.
UV Risk Categories
Weather in Castrop-Rauxel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castrop-Rauxel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 80 mm (3.2 inches) | 91% | low |
| February Weather | 4°C (40°F) | 85 mm (3.4 inches) | 90% | low |
| March Weather | 7°C (44°F) | 85 mm (3.4 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 39 mm (1.5 inches) | 84% | moderate |
| May Weather | 14°C (57°F) | 70 mm (2.7 inches) | 77% | high |
| June Weather | 19°C (66°F) | 67 mm (2.6 inches) | 74% | very high |
| July Weather | 19°C (66°F) | 98 mm (3.9 inches) | 72% | very high |
| August Weather | 19°C (66°F) | 77 mm (3.0 inches) | 71% | high |
| September Weather | 15°C (59°F) | 67 mm (2.6 inches) | 81% | moderate |
| October Weather | 12°C (53°F) | 97 mm (3.8 inches) | 88% | moderate |
| November Weather | 7°C (44°F) | 59 mm (2.3 inches) | 91% | low |
| December Weather | 5°C (41°F) | 108 mm (4.2 inches) | 92% | low |