Month guide · Interlaken · Switzerland
Interlaken in August
What August is really like in Interlaken: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Adrian Michael, CC BY-SA 3.0
Quick answer
August is one of the best months to visit Interlaken. Expect average highs of 23°C (73°F), lows of 12°C (54°F), about 12 rainy days and roughly 14.2 hours of daylight. Warm and busy, with lake swimming at its best and high trails clear of snow.
Key facts
- Average high / low
- 23°C (73°F) / 12°C (54°F)
- Rainy days
- About 12
- Daylight
- About 14.2 hours
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in August
August is the 2nd-warmest month in Interlaken: days average 23°C (73°F) against a yearly average high of 13°C (55°F), and nights fall to about 12°C (54°F). Rain falls on roughly 12 of its 31 days. Compared with July (23°C (73°F)), August is about as warm; by September highs drop to around 19°C (66°F).
- Sunrise (15 August)
- About 06:27
- Sunset (15 August)
- About 20:40
- Daylight
- About 14.2 hours
Summer (June–August). Every lift and trail open, full waterfalls and lake swimming; busiest and priciest, with frequent afternoon storms.
Crowds and prices
On a 1–5 scale, August rates 5 for crowds (the peak is July at 5) and 5 for hotel prices (highest in July). Book accommodation early: August is one of the pricier months.
Events in August
- Swiss National Day fireworks and bonfires (1 August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Experience · Town centre
Tandem paragliding
Several licensed operators take passengers up to launch sites above town and fly tandem with an experienced pilot for about 10–20 minutes over the lakes, landing on the Höhematte.
- Time needed
- 2 hours including transfer
- Cost
- Expensive
- Active
- Views
- Outdoors
Nature · Lauterbrunnen
Trümmelbach Falls
Bring a waterproof layer and sturdy shoes; paths are wet and steep.
- Time needed
- 1 hour
- Cost
- Low cost
- Nature
- Rainy day
- Kids
- Off the beaten path
Nature · Lake Thun
St. Beatus Caves
Above the north shore of Lake Thun, about a kilometre of lit passages leads past stalactites, underground pools and waterfalls into the mountain.
- Time needed
- 1.5 hours
- Cost
- Mid-priced
- Kids
- Rainy day
- Nature
- History

Viewpoint · Jungfrau region
Jungfraujoch – Top of Europe
Check the summit webcam before you go; on cloudy days you may see nothing, and the ticket is costly.
- Time needed
- Full day
- Cost
- Expensive
- Iconic
- Views
- Nature
- Photo spot
What to pack
For highs near 23°C, lows near 12°C and 12 wet days: light layers for the day and a light jacket for the evening; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is August a good time to visit Interlaken?
One of the best months to visit Interlaken, with a notable event on the calendar. The other best months are June–July and September. Compare every month.
Interlaken in other months
Questions travellers ask
+Is August a good time to visit Interlaken?
It is one of the best months to visit Interlaken. Warm and busy, with lake swimming at its best and high trails clear of snow.
+How warm is Interlaken in August?
Average highs are around 23°C (73°F) and lows around 12°C (54°F).
+Does it rain a lot in Interlaken in August?
Expect rain on about 12 days of the month, so pack for wet weather.