Last updated: August 23, 2025
In December, the average temperature in Weil der Stadt, Germany hovers around 3°C (37°F), with lows reaching -10°C (15°F) and highs of 13°C (56°F). Expect a significant amount of moisture, with 123 mm (4.8 in) of precipitation spread over 18 days, resulting in a humid atmosphere with an average humidity of 91%.
In December in Weil der Stadt, the average temperature is 3°C (37°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -10°C (15°F). Travelers should be prepared for chilly weather and pack warm clothing to stay comfortable during their visit.
In Weil der Stadt in December, the precipitation amount is 123 mm (4.8 in) spread over 18 days.
In Weil der Stadt 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 Weil der Stadt 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 Weil der Stadt.
UV Risk Categories
Weather in Weil der Stadt varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Weil der Stadt, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 92 mm (3.6 inches) | 91% | low |
| February Weather | 3°C (38°F) | 83 mm (3.3 inches) | 89% | moderate |
| March Weather | 5°C (42°F) | 99 mm (3.9 inches) | 87% | moderate |
| April Weather | 9°C (49°F) | 52 mm (2.0 inches) | 83% | high |
| May Weather | 13°C (55°F) | 112 mm (4.4 inches) | 79% | very high |
| June Weather | 18°C (65°F) | 114 mm (4.5 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 107 mm (4.2 inches) | 83% | very high |
| August Weather | 19°C (66°F) | 111 mm (4.4 inches) | 84% | very high |
| September Weather | 14°C (58°F) | 65 mm (2.6 inches) | 85% | high |
| October Weather | 10°C (51°F) | 86 mm (3.4 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 62 mm (2.4 inches) | 89% | low |
| December Weather | 3°C (37°F) | 123 mm (4.8 inches) | 91% | low |