Last updated: August 23, 2025
In May, the average temperature in Dillenburg, Germany is a mild 12°C (54°F), with extremes ranging from a chilly -1°C (30°F) to a warm 30°C (87°F). Expect 80 mm (3.1 in) of precipitation over approximately 12 days, accompanied by a relatively high average humidity of 76%.
In May in Dillenburg, the average temperature is 12°C (54°F). The maximum can reach 30°C (87°F) and the minimum can be as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures during this time.
In Dillenburg in May, the total precipitation amount is 80 mm (3.1 in) spread over 12 days.
In Dillenburg in May, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.
In Dillenburg in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dillenburg.
UV Risk Categories
Weather in Dillenburg varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dillenburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 82 mm (3.2 inches) | 92% | low |
| February Weather | 2°C (36°F) | 78 mm (3.1 inches) | 90% | low |
| March Weather | 5°C (41°F) | 90 mm (3.6 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 42 mm (1.7 inches) | 83% | moderate |
| May Weather | 12°C (54°F) | 80 mm (3.1 inches) | 76% | high |
| June Weather | 17°C (64°F) | 75 mm (3.0 inches) | 74% | very high |
| July Weather | 18°C (65°F) | 87 mm (3.4 inches) | 74% | very high |
| August Weather | 18°C (65°F) | 77 mm (3.0 inches) | 75% | high |
| September Weather | 14°C (57°F) | 58 mm (2.3 inches) | 82% | moderate |
| October Weather | 10°C (50°F) | 73 mm (2.9 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 55 mm (2.2 inches) | 90% | low |
| December Weather | 3°C (37°F) | 113 mm (4.5 inches) | 92% | low |