Last updated: August 27, 2025
In Sankt Stephan, Switzerland, the average temperature in August hovers around 13°C (55°F). Expect a range where the minimum dips to 1°C (35°F) and the maximum can reach up to 26°C (78°F). Be prepared for some rain, as the area sees about 196 mm (7.7 in) of precipitation over 20 days. With an average humidity of 77%, it's a good idea to pack an umbrella and dress in layers!
In August in Sankt Stephan, the average temperature is 13°C (55°F), with maximums reaching up to 26°C (78°F) and minimums dropping as low as 1°C (35°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cool evenings, perfect for exploring the local attractions.
In Sankt Stephan in August, the precipitation amount is 196 mm (7.7 in) over the course of 20 days.
In Sankt Stephan in August humidity is 77%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill in the air, making travel somewhat uncomfortable as the moisture clings to your skin and adds a heavier weight to your clothing, which can sap your energy as you explore.
In Sankt Stephan in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sankt Stephan.
UV Risk Categories
Weather in Sankt Stephan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sankt Stephan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 174 mm (6.8 inches) | 91% | moderate |
| February Weather | -3°C (26°F) | 132 mm (5.2 inches) | 89% | moderate |
| March Weather | -1°C (31°F) | 161 mm (6.3 inches) | 87% | high |
| April Weather | 3°C (37°F) | 99 mm (3.9 inches) | 84% | very high |
| May Weather | 7°C (44°F) | 223 mm (8.8 inches) | 80% | very high |
| June Weather | 12°C (54°F) | 184 mm (7.2 inches) | 82% | extreme |
| July Weather | 13°C (56°F) | 224 mm (8.8 inches) | 82% | very high |
| August Weather | 13°C (55°F) | 196 mm (7.7 inches) | 77% | very high |
| September Weather | 9°C (49°F) | 131 mm (5.1 inches) | 81% | high |
| October Weather | 5°C (41°F) | 151 mm (5.9 inches) | 89% | high |
| November Weather | -1°C (31°F) | 107 mm (4.2 inches) | 89% | moderate |
| December Weather | -6°C (22°F) | 248 mm (9.8 inches) | 91% | low |