Herisau Weather in May
Thinking of visiting Herisau in May? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 8°C (46°F) at night. Heavy showers are common during the rainy season.
Rainfall in Herisau in May
Herisau is in the rainy season in May, with rain on around 18 days and an average of 184 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Herisau in May
May in Herisau brings moderate temperatures, with highs of 18°C (64°F) and nights around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Herisau in May
The month experiences a moderate amount of sunlight, with 188 hours of sunshine. This provides a nice balance between sunshine and rain.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Herisau.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Herisau's climate page.
Herisau Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
61%
Precipitation
184 mm (7.2 in)
Rainy days
18 days
Humidity
71% *
Sunshine
188 hours *
Percentage Sunshine
42% *
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
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What to Wear in Herisau in May
For Herisau in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Herisau in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Herisau's climate page.
Temperature Rainfall Sunshine Humidity
See the full Herisau climate overview or explore weather in Switzerland.
