Last updated: August 23, 2025
In Hartenstein, Germany, the average temperature in January hovers around 0°C (33°F). While chills can drop the mercury to a biting -16°C (4°F), warmer days may reach a mild 12°C (55°F). Expect 81 mm (3.2 in) of precipitation over 14 days, contributing to a high average humidity of 90%. Be prepared for a wet and cold month ahead!
In January in Hartenstein, the average temperature is 0°C (33°F). Maximums can reach 12°C (55°F) and minimums can be as low as -16°C (4°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy their visit.
In Hartenstein in January, the precipitation amount is 81 mm (3.2 in) over a span of 14 days.
In Hartenstein in January humidity is 90%. With average temperature 0°C (33°F) this humidity feels like a damp chill that clings to your skin, making every step outside feel heavier and more exhausting for traveling.
In Hartenstein 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 Hartenstein, you can visit Hourly UV Index in Hartenstein.
UV Risk Categories
Weather in Hartenstein varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hartenstein, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (33°F) | 81 mm (3.2 inches) | 90% | low |
February Weather | 2°C (35°F) | 63 mm (2.5 inches) | 89% | low |
March Weather | 4°C (40°F) | 74 mm (2.9 inches) | 87% | moderate |
April Weather | 8°C (47°F) | 45 mm (1.8 inches) | 81% | high |
May Weather | 12°C (54°F) | 88 mm (3.5 inches) | 71% | high |
June Weather | 18°C (64°F) | 73 mm (2.9 inches) | 75% | very high |
July Weather | 18°C (65°F) | 78 mm (3.1 inches) | 74% | very high |
August Weather | 18°C (65°F) | 97 mm (3.8 inches) | 76% | high |
September Weather | 14°C (57°F) | 66 mm (2.6 inches) | 81% | high |
October Weather | 10°C (50°F) | 85 mm (3.3 inches) | 85% | moderate |
November Weather | 5°C (41°F) | 48 mm (1.9 inches) | 88% | low |
December Weather | 2°C (36°F) | 88 mm (3.5 inches) | 92% | low |