Last updated: August 22, 2025
In May, the average temperature in Henndorf am Wallersee, Austria is a mild 13°C (56°F), but it can experience a range from a chilly -2°C (28°F) to a warm 29°C (85°F). Expect 153 mm (6.0 in) of precipitation spread over 19 days, contributing to an average humidity level of 74%. Perfect weather for those who enjoy a mix of refreshing rain and comfortable temperatures!
In May in Henndorf am Wallersee, the average temperature is 13°C (56°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -2°C (28°F). This variation in temperature makes it essential for travelers to pack accordingly for both warm and chilly conditions.
In Henndorf am Wallersee in May, the precipitation amount is 153 mm (6.0 in) over the course of 19 days.
In Henndorf am Wallersee in May humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.
In Henndorf am Wallersee in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Henndorf am Wallersee.
UV Risk Categories
Weather in Henndorf am Wallersee varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Henndorf am Wallersee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 104 mm (4.1 inches) | 91% | low |
| February Weather | 2°C (36°F) | 90 mm (3.5 inches) | 87% | moderate |
| March Weather | 5°C (41°F) | 94 mm (3.7 inches) | 82% | moderate |
| April Weather | 9°C (49°F) | 65 mm (2.6 inches) | 79% | high |
| May Weather | 13°C (56°F) | 153 mm (6.0 inches) | 74% | very high |
| June Weather | 18°C (65°F) | 134 mm (5.3 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 147 mm (5.8 inches) | 74% | very high |
| August Weather | 19°C (66°F) | 151 mm (5.9 inches) | 68% | very high |
| September Weather | 14°C (58°F) | 114 mm (4.5 inches) | 74% | high |
| October Weather | 10°C (50°F) | 110 mm (4.3 inches) | 88% | moderate |
| November Weather | 4°C (40°F) | 72 mm (2.8 inches) | 90% | low |
| December Weather | 2°C (35°F) | 131 mm (5.2 inches) | 89% | low |