Last updated: August 23, 2025
In January, the average temperature in Altenberg, Germany hovers around -1°C (31°F). Expect chilly conditions, with minimum temperatures potentially dropping to -18°C (-1°F) and maximums reaching a mild 12°C (55°F). Be prepared for some damp days, as precipitation accumulates to 60 mm (2.3 in) over approximately 13 days of the month. With an average humidity of 90%, this month's weather is sure to be a brisk yet invigorating experience!
In January in Altenberg, the average temperature is -1°C (31°F), with a maximum that can reach 12°C (55°F) and a minimum that can drop as low as -18°C (-1°F). It's advisable to pack warm clothing and be prepared for potential temperature fluctuations when traveling during this time.
In Altenberg in January, the precipitation amount is 60 mm (2.3 in) during 13 days, indicating a relatively wet period for that time of year.
In Altenberg in January humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.
In Altenberg in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Altenberg, you can visit Hourly UV Index in Altenberg.
UV Risk Categories
Weather in Altenberg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Altenberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 60 mm (2.3 inches) | 90% | low |
| February Weather | 0°C (33°F) | 54 mm (2.1 inches) | 89% | low |
| March Weather | 3°C (38°F) | 58 mm (2.3 inches) | 87% | moderate |
| April Weather | 8°C (46°F) | 39 mm (1.5 inches) | 81% | high |
| May Weather | 12°C (54°F) | 81 mm (3.2 inches) | 71% | high |
| June Weather | 18°C (64°F) | 73 mm (2.9 inches) | 75% | very high |
| July Weather | 18°C (64°F) | 75 mm (3.0 inches) | 74% | very high |
| August Weather | 18°C (65°F) | 113 mm (4.5 inches) | 76% | high |
| September Weather | 13°C (56°F) | 70 mm (2.8 inches) | 81% | high |
| October Weather | 9°C (49°F) | 65 mm (2.6 inches) | 85% | moderate |
| November Weather | 4°C (39°F) | 41 mm (1.6 inches) | 88% | low |
| December Weather | 1°C (34°F) | 62 mm (2.5 inches) | 92% | low |