Last updated: August 23, 2025
In April, the average temperature in Idar-Oberstein, Germany hovers around 9°C (49°F). While chilly spells can drop the mercury to a frosty -3°C (26°F), the warmer days can reach a pleasant 26°C (79°F). Expect a precipitation amount of 42 mm (1.7 in) spread over 9 days, accompanied by a high average humidity of 84%.
In April in Idar-Oberstein, the average temperature is 9°C (49°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -3°C (26°F). It's advisable to pack layered clothing to accommodate the varying temperatures during your trip.
In Idar-Oberstein in April, the precipitation amount is 42 mm (1.7 in) spread over 9 days.
In Idar-Oberstein in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.
In Idar-Oberstein 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 Idar-Oberstein, you can refer to this Hourly UV Index in Idar-Oberstein.
UV Risk Categories
Weather in Idar-Oberstein varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Idar-Oberstein, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 66 mm (2.6 inches) | 91% | low | 
| February Weather | 3°C (38°F) | 70 mm (2.8 inches) | 90% | moderate | 
| March Weather | 5°C (42°F) | 81 mm (3.2 inches) | 88% | moderate | 
| April Weather | 9°C (49°F) | 42 mm (1.7 inches) | 84% | high | 
| May Weather | 13°C (55°F) | 75 mm (3.0 inches) | 81% | very high | 
| June Weather | 18°C (64°F) | 82 mm (3.2 inches) | 82% | very high | 
| July Weather | 18°C (66°F) | 64 mm (2.5 inches) | 82% | very high | 
| August Weather | 18°C (65°F) | 59 mm (2.3 inches) | 80% | high | 
| September Weather | 14°C (58°F) | 54 mm (2.1 inches) | 83% | high | 
| October Weather | 10°C (51°F) | 64 mm (2.5 inches) | 89% | moderate | 
| November Weather | 5°C (41°F) | 60 mm (2.4 inches) | 91% | low | 
| December Weather | 3°C (38°F) | 110 mm (4.3 inches) | 93% | low |