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Grindelwald Weather in August
With daytime temperatures of 17°C (63°F) and nighttime lows of 7°C (45°F), August in Grindelwald brings moderate temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Grindelwald in August
Grindelwald is in the rainy season in August, with rain on around 19 days and an average of 218 mm (8.6 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Grindelwald in August
If you're visiting Grindelwald in August, expect highs of 17°C (63°F) and overnight lows around 7°C (45°F). Summer occurs in August. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Grindelwald in August
The days are predominantly sunny, with an estimated total of around 195 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.For more travel ideas, our weather planner can help you explore destinations around the world.
Grindelwald Temperature in August
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
64%
Precipitation
218 mm (8.6 in)
Rainy days
19 days
Humidity
76% *
Sunshine
195 hours *
Percentage Sunshine
52% *
* Data from: Interlaken, Switzerland (12 KM, 7 Miles).
Grindelwald Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grindelwald - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grindelwald 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 records for Grindelwald in August
Browse day-by-day weather records for Grindelwald spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grindelwald historical weather extremes in August
The extremes listed below come from historical weather data collected in Grindelwald from 1976 through 2026.
- Grindelwald recorded its highest August temperature of 35°C (95°F) on August 10, 2003.
- Grindelwald experienced its chilliest August day on August 22, 1982, reaching only 5°C (41°F).
- Nighttime temperatures dropped to -11°C (12°F) on August 25, 1979, marking the coldest August night on record.
- The wettest August day on record brought 56 mm (2.2 in) of precipitation to Grindelwald (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 →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Grindelwald in August
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! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Grindelwald in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10
Grindelwald 3-Day Forecast
More climate data for Grindelwald
Temperature Rainfall Sunshine Humidity
See the full Grindelwald climate overview or explore weather in Switzerland.
Popular in August
Where to go in August - average daytime high across popular destinations.
Zürich
25°C (77°F) Crans-Montana19°C (66°F) Engelberg
18°C (64°F) Nendaz18°C (64°F) Saas-Fee16°C (61°F) Davos17°C (63°F) Grindelwald17°C (63°F) Zermatt15°C (59°F) Bucket list
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The 5 most scenic train journeys in Switzerland
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