August in Flachau sees daytime temperatures around 20°C (68°F) and lows of 9°C (48°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Flachau.
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Pick a month to see the average temperature, rainfall and sunshine in Flachau - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Flachau 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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Flachau spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Flachau from 1976 through 2026.
Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Flachau climate overview or explore weather in Austria.
Where to go in August - average daytime high across popular destinations.
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