Last updated: August 23, 2025
In December, the average temperature in Heroldsberg, Germany hovers around 2°C (36°F). Visitors can expect a minimum of -8°C (17°F) and a maximum of 13°C (55°F). Prepare for rainy days, as the area receives 111 mm (4.4 in) of precipitation over 18 days. Don't forget your umbrella, as the average humidity is a high 91%!
In December in Heroldsberg, the average temperature is 2°C (36°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -8°C (17°F). Be prepared for a chilly atmosphere and pack accordingly if you plan to visit during this time.
In Heroldsberg in December, the precipitation amount is 111 mm (4.4 in) over the course of 18 days.
In Heroldsberg in December humidity is 91%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making every step outside a reminder of the cold, crisp air that sharpens your senses but can also dampen your spirits as you navigate the wet conditions.
In Heroldsberg 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 Heroldsberg.
UV Risk Categories
Weather in Heroldsberg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Heroldsberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 76 mm (3.0 inches) | 91% | low |
| February Weather | 2°C (36°F) | 67 mm (2.6 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 74 mm (2.9 inches) | 88% | moderate |
| April Weather | 9°C (49°F) | 39 mm (1.6 inches) | 84% | high |
| May Weather | 13°C (56°F) | 99 mm (3.9 inches) | 77% | very high |
| June Weather | 19°C (66°F) | 89 mm (3.5 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 76 mm (3.0 inches) | 83% | very high |
| August Weather | 19°C (67°F) | 79 mm (3.1 inches) | 84% | high |
| September Weather | 15°C (58°F) | 56 mm (2.2 inches) | 85% | high |
| October Weather | 10°C (51°F) | 66 mm (2.6 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 53 mm (2.1 inches) | 88% | low |
| December Weather | 2°C (36°F) | 111 mm (4.4 inches) | 91% | low |