Last updated: August 23, 2025
In April, the average temperature in Hartenstein, Germany hovers around 9°C (48°F), with a range that can drop to a chilly -6°C (22°F) or rise to a warm 27°C (80°F). Expect 41 mm (1.6 in) of precipitation spread over approximately 8 days, coupled with an average humidity of 84%. Whether you're bracing for a brisk day or a pleasant warm spell, it's a month that showcases the varied climate of Hartenstein.
In April in Hartenstein, the average temperature is 9°C (48°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures during your travels!
In Hartenstein in April, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.
In Hartenstein in April, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.
In Hartenstein in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hartenstein, you can refer to this 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 April’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) | 75 mm (2.9 inches) | 91% | low |
| February Weather | 2°C (36°F) | 66 mm (2.6 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 76 mm (3.0 inches) | 88% | moderate |
| April Weather | 9°C (48°F) | 41 mm (1.6 inches) | 84% | high |
| May Weather | 13°C (55°F) | 94 mm (3.7 inches) | 77% | very high |
| June Weather | 18°C (65°F) | 88 mm (3.5 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 79 mm (3.1 inches) | 83% | very high |
| August Weather | 19°C (66°F) | 88 mm (3.5 inches) | 84% | high |
| September Weather | 14°C (58°F) | 59 mm (2.3 inches) | 85% | high |
| October Weather | 10°C (50°F) | 66 mm (2.6 inches) | 88% | moderate |
| November Weather | 4°C (40°F) | 52 mm (2.0 inches) | 88% | low |
| December Weather | 2°C (35°F) | 108 mm (4.2 inches) | 91% | low |