Last updated: August 22, 2025
In May, the average temperature in Sankt Blasen, Austria hovers around 10°C (50°F). Expect a range between a chilly -2°C (29°F) and a warm 26°C (79°F). During this period, you can anticipate about 133 mm (5.3 in) of precipitation spread over 21 days, with an average humidity of 74%. Whether you're planning a cozy getaway or preparing for the unpredictable weather, it's wise to stay prepared!
In May in Sankt Blasen, the average temperature is 10°C (50°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -2°C (29°F). It's a great time to explore the diverse weather conditions, so be sure to pack layers for both warmth and comfort while traveling.
In Sankt Blasen in May, the precipitation amount is 133 mm (5.3 in) spread over 21 days.
In Sankt Blasen in May humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.
In Sankt Blasen 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 Sankt Blasen.
UV Risk Categories
Weather in Sankt Blasen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sankt Blasen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 42 mm (1.7 inches) | 91% | low |
| February Weather | -1°C (30°F) | 50 mm (2.0 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 54 mm (2.1 inches) | 82% | high |
| April Weather | 6°C (43°F) | 64 mm (2.5 inches) | 79% | high |
| May Weather | 10°C (50°F) | 133 mm (5.3 inches) | 74% | very high |
| June Weather | 15°C (60°F) | 111 mm (4.4 inches) | 75% | very high |
| July Weather | 16°C (61°F) | 131 mm (5.1 inches) | 74% | very high |
| August Weather | 16°C (61°F) | 148 mm (5.8 inches) | 68% | very high |
| September Weather | 12°C (53°F) | 117 mm (4.6 inches) | 74% | high |
| October Weather | 7°C (45°F) | 75 mm (3.0 inches) | 88% | moderate |
| November Weather | 2°C (36°F) | 92 mm (3.6 inches) | 90% | moderate |
| December Weather | -3°C (28°F) | 85 mm (3.3 inches) | 89% | low |