Last updated: August 23, 2025
In December, the average temperature in Altensteig, Germany hovers around 2°C (36°F). Expect chilly days with minimums dipping to -10°C (15°F) and highs reaching up to 13°C (55°F). The region sees an average precipitation of 157 mm (6.2 in) spread across 18 days, accompanied by a high average humidity of 91%. Prepare for a damp and crisp atmosphere!
In December in Altensteig, the average temperature is 2°C (36°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop as low as -10°C (15°F). It's advisable to bundle up and prepare for a mix of chilly and mild weather conditions while traveling during this time.
In Altensteig, in December, the precipitation amount is 157 mm (6.2 in) distributed over 18 days.
In Altensteig 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 Altensteig 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 Altensteig.
UV Risk Categories
Weather in Altensteig varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Altensteig, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 125 mm (4.9 inches) | 91% | low |
| February Weather | 2°C (36°F) | 105 mm (4.1 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 123 mm (4.8 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 62 mm (2.4 inches) | 83% | high |
| May Weather | 12°C (54°F) | 125 mm (4.9 inches) | 79% | very high |
| June Weather | 17°C (64°F) | 117 mm (4.6 inches) | 82% | very high |
| July Weather | 18°C (65°F) | 102 mm (4.0 inches) | 83% | very high |
| August Weather | 18°C (65°F) | 93 mm (3.7 inches) | 84% | very high |
| September Weather | 14°C (58°F) | 68 mm (2.7 inches) | 85% | high |
| October Weather | 10°C (50°F) | 100 mm (3.9 inches) | 88% | moderate |
| November Weather | 5°C (40°F) | 73 mm (2.9 inches) | 89% | low |
| December Weather | 2°C (36°F) | 157 mm (6.2 inches) | 91% | low |