Flims Weather in August
In Flims, August brings pleasant daytime temperatures around 18°C (64°F), with nights cooling to 8°C (46°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Flims in August
Flims is in the rainy season in August, with rain on around 19 days and an average of 222 mm (8.7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Flims in August
August in Flims sees highs of 18°C (64°F) and lows of 8°C (46°F) overnight. August is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Flims in August
With about 184 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Flims.
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 Flims's climate page.
Flims Temperature in August
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
63%
Precipitation
222 mm (8.7 in)
Rainy days
19 days
Humidity
74% *
Sunshine
184 hours *
Percentage Sunshine
52% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Flims typically stay consistent throughout August, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°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 Flims in August
Browse day-by-day weather records for Flims spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Flims historical weather extremes in August
Based on 49 years of weather observations in Flims between 1976 and 2025, these are the recorded extremes.
- On August 10, 2003, temperatures climbed to 34°C (93°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 7°C (45°F), recorded on August 29, 1995.
- The lowest overnight temperature recorded in August was -3°C (27°F) (August 29, 1989).
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
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What to Wear in Flims in August
For Flims 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Flims 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 Flims's climate page.
Temperature Rainfall Sunshine Humidity
See the full Flims climate overview or explore weather in Switzerland.
