Last updated: August 23, 2025
In December, the average temperature in Clausthal-Zellerfeld, Germany hovers around 3°C (37°F). Expect a chilly minimum of -11°C (13°F) and a milder maximum of 13°C (55°F). Throughout the month, 80 mm (3.1 in) of precipitation is likely spread across 17 days, contributing to an average humidity level of an impressive 92%. Make sure to prepare for wet and cold conditions!
In December in Clausthal-Zellerfeld, the average temperature is 3°C (37°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -11°C (13°F). Be prepared for chilly weather if you travel during this time!
In Clausthal-Zellerfeld in December, the total precipitation amount is 80 mm (3.1 in) spread over 17 days.
In Clausthal-Zellerfeld in December humidity is 92%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket that clings to your skin, making every step feel laborious and the cold air seem even more biting, a challenging environment for traveling.
In Clausthal-Zellerfeld 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 Clausthal-Zellerfeld.
UV Risk Categories
Weather in Clausthal-Zellerfeld varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clausthal-Zellerfeld, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 73 mm (2.9 inches) | 91% | low |
| February Weather | 2°C (35°F) | 72 mm (2.8 inches) | 90% | low |
| March Weather | 4°C (40°F) | 73 mm (2.9 inches) | 88% | moderate |
| April Weather | 8°C (47°F) | 44 mm (1.7 inches) | 83% | moderate |
| May Weather | 12°C (54°F) | 71 mm (2.8 inches) | 75% | high |
| June Weather | 17°C (64°F) | 81 mm (3.2 inches) | 79% | very high |
| July Weather | 18°C (64°F) | 86 mm (3.4 inches) | 79% | very high |
| August Weather | 18°C (65°F) | 74 mm (2.9 inches) | 79% | high |
| September Weather | 14°C (57°F) | 58 mm (2.3 inches) | 83% | high |
| October Weather | 10°C (51°F) | 78 mm (3.1 inches) | 87% | moderate |
| November Weather | 5°C (42°F) | 49 mm (1.9 inches) | 90% | low |
| December Weather | 3°C (37°F) | 80 mm (3.1 inches) | 92% | low |