Last updated: August 23, 2025
In December, the average temperature in Heilsbronn, Germany hovers around 2°C (36°F). Expect chilly days, with minimum temperatures dropping to a brisk -9°C (17°F) and maximums reaching a mild 13°C (56°F). Rain is likely, with an average precipitation of 95 mm (3.7 in) over approximately 17 days, and don't forget the high humidity at around 91% that can make the cold feel even more biting!
In December in Heilsbronn, the average temperature is 2°C (36°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -9°C (17°F). Travelers should be prepared for cold weather and pack accordingly to enjoy their visit.
In Heilsbronn in December, the total precipitation amount is 95 mm (3.7 in) spread over 17 days.
In Heilsbronn 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 Heilsbronn 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 Heilsbronn.
UV Risk Categories
Weather in Heilsbronn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Heilsbronn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 62 mm (2.4 inches) | 91% | low |
| February Weather | 3°C (37°F) | 59 mm (2.3 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 63 mm (2.5 inches) | 88% | moderate |
| April Weather | 9°C (49°F) | 38 mm (1.5 inches) | 84% | high |
| May Weather | 13°C (56°F) | 99 mm (3.9 inches) | 77% | very high |
| June Weather | 19°C (66°F) | 101 mm (4.0 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 82 mm (3.2 inches) | 83% | very high |
| August Weather | 19°C (67°F) | 88 mm (3.5 inches) | 84% | very high |
| September Weather | 15°C (59°F) | 52 mm (2.1 inches) | 85% | high |
| October Weather | 10°C (51°F) | 60 mm (2.4 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 47 mm (1.8 inches) | 88% | low |
| December Weather | 2°C (36°F) | 95 mm (3.7 inches) | 91% | low |