Klosters Weather in August
August in Klosters brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 6°C (43°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Klosters in August
Klosters is in the rainy season in August, with rain on around 20 days and an average of 178 mm (7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Klosters in August
Expect highs of 17°C (63°F) in Klosters in August, with nights dropping to around 6°C (43°F). August is known for being in the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Klosters in August
The month brings about 180 hours of sunlight, offering a comfortable mix of sun and rainy moments.
Wind Speed in Klosters in August
Wind speeds average 2 m/s (4 knots) during August. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Klosters's climate page.
Klosters Temperature in August
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
67%
Precipitation
178 mm (7 in)
Rainy days
20 days
Humidity
75% *
Windspeed
2 m/s (4 knots) *
Sunshine
180 hours *
Percentage Sunshine
54% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Klosters typically stay consistent throughout August, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°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 Klosters in August
Browse day-by-day weather records for Klosters spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Klosters historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Klosters.
- Klosters recorded its highest August temperature of 33°C (91°F) on August 24, 2023.
- The coldest night in August in Klosters was on August 29, 1989, with a minimum of -5°C (23°F).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Klosters 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Klosters 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 Klosters's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Klosters climate overview or explore weather in Switzerland.
