Last updated: August 23, 2025
In May, the average temperature in Osterode am Harz, Germany is a mild 12°C (54°F). Visitors can expect a range from a chilling -1°C (30°F) to a warm 28°C (83°F). During this month, 71 mm (2.8 in) of precipitation falls over approximately 12 days, contributing to an average humidity of 75%.
In May in Osterode am Harz, the average temperature is 12°C (54°F). The maximum can reach 28°C (83°F), and the minimum can be as low as -1°C (30°F). This diverse temperature range makes Osterode am Harz an interesting destination for travelers seeking both warmth and a chance to experience cooler weather.
In Osterode am Harz in May, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.
In Osterode am Harz in May, humidity is 75%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that seeps into your bones, making it essential to layer your clothing for comfort while exploring.
In Osterode am Harz 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 Osterode am Harz.
UV Risk Categories
Weather in Osterode am Harz varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Osterode am Harz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 73 mm (2.9 inches) | 91% | low |
| February Weather | 2°C (35°F) | 72 mm (2.8 inches) | 90% | low |
| March Weather | 4°C (40°F) | 73 mm (2.9 inches) | 88% | moderate |
| April Weather | 8°C (47°F) | 44 mm (1.7 inches) | 83% | moderate |
| May Weather | 12°C (54°F) | 71 mm (2.8 inches) | 75% | high |
| June Weather | 17°C (64°F) | 81 mm (3.2 inches) | 79% | very high |
| July Weather | 18°C (64°F) | 86 mm (3.4 inches) | 79% | very high |
| August Weather | 18°C (65°F) | 74 mm (2.9 inches) | 79% | high |
| September Weather | 14°C (57°F) | 58 mm (2.3 inches) | 83% | high |
| October Weather | 10°C (51°F) | 78 mm (3.1 inches) | 87% | moderate |
| November Weather | 5°C (42°F) | 49 mm (1.9 inches) | 90% | low |
| December Weather | 3°C (37°F) | 80 mm (3.1 inches) | 92% | low |