Herisau Weather in August

Thinking of visiting Herisau in August? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 13°C (55°F) at night. Heavy showers are common during the rainy season.

Rainfall in Herisau in August

Herisau is in the rainy season in August, with rain on around 18 days and an average of 216 mm (8.5 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Herisau in August

August in Herisau brings typical temperatures with highs around 23°C (73°F) and lows of 13°C (55°F). August is known for being in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Herisau in August

There are approximately 210 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

For Herisau itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Herisau's climate page.

Herisau Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 59%  

Precipitation 216 mm (8.5 in)  

Rainy days 18 days  

Humidity 74% *  

Sunshine 210 hours *  

Percentage Sunshine 50% *  

* Data from: St. Gallen, Switzerland (8 KM, 5 Miles).

What to Wear in Herisau in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Herisau in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Herisau's climate page.

More climate data for Herisau

Temperature Rainfall Sunshine Humidity

See the full Herisau climate overview or explore weather in Switzerland.