Climate almanac
Herisau
Appenzell Ausserrhoden, Switzerland · 47.39°, 9.28°
What is the weather like in Herisau in May?
In May, Herisau is typically 63°F (17°C) during the day and 49°F (9°C) at night. The month brings about 6.3 in (160 mm) of precipitation in total. Snowfall averages about 0.3 in (9 mm) over the month.
- Average high63°F (17°C)
- Average low49°F (9°C)
- Precipitation6.3 in (160 mm)
- Clear or mostly clear days7
- Snowfall0.3 in (9 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)