Grächen Weather in August
Grächen in August sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 6°C (43°F). Rainfall is fairly high this month at around 151 mm (5.9 in), so pack a rain jacket to stay dry.
Rainfall in Grächen in August
Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 151 mm (5.9 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Grächen in August
If you're visiting Grächen in August, expect highs of 17°C (63°F) and overnight lows around 6°C (43°F). The summer season takes place during August. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Grächen in August
The area enjoys a balanced 187 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
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 Grächen's climate page.
Grächen Temperature in August
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
61%
Precipitation
151 mm (5.9 in)
Rainy days
18 days
Humidity
70% *
Sunshine
187 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grächen typically stay consistent throughout August, with daily highs averaging around 17°C (63°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 Grächen in August
Browse day-by-day weather records for Grächen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grächen historical weather extremes in August
Based on weather observations in Grächen between 1976 and 2025, these are the recorded extremes during August.
- Grächen recorded its highest August temperature of 35°C (95°F) on August 10, 1998.
- On August 31, 1978, Grächen saw its coldest August day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to -11°C (12°F) on August 31, 1995, marking the coldest August night on record.
- The wettest day in August Grächen was on August 28, 2023 with 59 mm (2.3 in) of precipitation.
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
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What to Wear in Grächen in August
For Grächen in August, 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Grächen 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 Grächen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Grächen climate overview or explore weather in Switzerland.
