Flachau in December sees very low daytime temperatures of 0°C (32°F) and nighttime lows of -8°C (18°F). Rainfall is fairly high this month at around 109 mm (4.3 in), so pack a rain jacket to stay dry.
December in Flachau has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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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 December, with daily highs averaging around 0°C (32°F). Nights are very cold, with lows typically ranging from -6°C (21°F) to -3°C (27°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.
Our historical data for Flachau spans 1976 to 2025, revealing these weather extremes.
Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in December →
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).
It's wise to bundle up for freezing conditions in Flachau in December. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.
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 December - average daytime high across popular destinations.
Vienna
5°C (41°F) Salzburg
3°C (37°F) Schladming
0°C (32°F) Saalbach Hinterglemm0°C (32°F) Zell am See0°C (32°F) Neustift im Stubaital-2°C (28°F) Mayrhofen-1°C (30°F) Sölden-3°C (27°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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