Zweisimmen Weather in August
During August, Zweisimmen experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 9°C (48°F). August sits within the rainy season, and part of the summer season, so expect regular and often heavy rainfall.
Rainfall in Zweisimmen in August
Zweisimmen is in the rainy season in August, with rain on around 17 days and an average of 190 mm (7.5 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Zweisimmen in August
If you're visiting Zweisimmen in August, expect highs of 20°C (68°F) and overnight lows around 9°C (48°F). August marks the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Zweisimmen in August
With approximately 248 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Zweisimmen.
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 Zweisimmen's climate page.
Zweisimmen Temperature in August
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
57%
Precipitation
190 mm (7.5 in)
Rainy days
17 days
Humidity
67% *
Sunshine
248 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zweisimmen typically stay consistent throughout August, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Zweisimmen in August
Browse day-by-day weather records for Zweisimmen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zweisimmen historical weather extremes in August
Our historical data for Zweisimmen spans 1976 to 2025, revealing these weather extremes.
- Zweisimmen recorded its highest August temperature of 34°C (93°F) on August 10, 1998.
- Zweisimmen experienced its chilliest August day on August 9, 2007, reaching only 7°C (45°F).
- The heaviest August precipitation occurred on August 22, 2005, when 66 mm (2.6 in) of precipitation fell.
Best Places in Switzerland in August
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in August →
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What to Wear in Zweisimmen in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Zweisimmen in August
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 Zweisimmen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Zweisimmen climate overview or explore weather in Switzerland.
