Wengen Weather in August
August in Wengen sees daytime temperatures around 17°C (63°F) and lows of 7°C (45°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Wengen in August
As part of the rainy season, Wengen sees around 18 days of rain in August, with an average of 203 mm (8 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Wengen in August
Daytime temperatures in Wengen reach 17°C (63°F) in August, dropping to 7°C (45°F) at night. August is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Wengen in August
Expect sunny days throughout the month, with an estimated 195 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
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 Wengen's climate page.
Wengen Temperature in August
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
61%
Precipitation
203 mm (8 in)
Rainy days
18 days
Humidity
76% *
Sunshine
195 hours *
Percentage Sunshine
52% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wengen typically stay consistent throughout August, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°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 Wengen in August
Browse day-by-day weather records for Wengen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wengen historical weather extremes in August
Based on 49 years of weather observations in Wengen between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Wengen reached 35°C (95°F) (August 13, 2003).
- Wengen experienced its chilliest August day on August 10, 1978, reaching only 7°C (45°F).
- The wettest August day on record brought 74 mm (2.9 in) of precipitation to Wengen (August 22, 2005).
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 Wengen in August
For Wengen 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Wengen 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 Wengen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Wengen climate overview or explore weather in Switzerland.
