Last updated: August 23, 2025
In Heiningen, Germany, the average temperature in December hovers around 3°C (38°F). Expect chilly days where temperatures can plunge to a minimum of -11°C (12°F) or rise to a maximum of 13°C (55°F). Be prepared for some wet weather, with an average precipitation of 72 mm (2.8 in) spread across 15 days. Humidity is quite high at an average of 92%, adding to the cool and damp atmosphere of the month.
In December in Heiningen, the average temperature is 3°C (38°F), with maximums reaching up to 13°C (55°F) and minimums dropping as low as -11°C (12°F). Travelers should be prepared for chilly conditions and fluctuating temperatures during this time.
In Heiningen in December, the total precipitation amount is 72 mm (2.8 in) over the course of 15 days.
In Heiningen in December humidity is 92%. With an average temperature of 3°C (38°F), this humidity feels like a wet chill that seeps into your bones, making outdoor activities uncomfortable and travel arrangements challenging.
In Heiningen 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 Heiningen.
UV Risk Categories
Weather in Heiningen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Heiningen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 68 mm (2.7 inches) | 91% | low |
| February Weather | 2°C (36°F) | 66 mm (2.6 inches) | 90% | low |
| March Weather | 5°C (40°F) | 70 mm (2.8 inches) | 88% | moderate |
| April Weather | 8°C (47°F) | 44 mm (1.7 inches) | 83% | moderate |
| May Weather | 12°C (55°F) | 71 mm (2.8 inches) | 75% | high |
| June Weather | 18°C (64°F) | 83 mm (3.3 inches) | 79% | very high |
| July Weather | 18°C (64°F) | 88 mm (3.5 inches) | 79% | very high |
| August Weather | 18°C (65°F) | 77 mm (3.0 inches) | 79% | high |
| September Weather | 14°C (57°F) | 61 mm (2.4 inches) | 83% | high |
| October Weather | 10°C (51°F) | 74 mm (2.9 inches) | 87% | moderate |
| November Weather | 5°C (42°F) | 47 mm (1.9 inches) | 90% | low |
| December Weather | 3°C (38°F) | 72 mm (2.8 inches) | 92% | low |