Season guide · Interlaken · Switzerland
Interlaken in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Andrew Bossi, CC BY-SA 2.5
Quick answer
Every lift and trail open, full waterfalls and lake swimming; busiest and priciest, with frequent afternoon storms. Expect highs up to 23°C (73°F) and lows around 11°C (52°F), with about 38 rainy days across June–August. June–August are among the best months of the year to visit.
Key facts
- Months
- June–August
- Temperatures
- 11°C (52°F) to 23°C (73°F)
- Rainy days in the season
- About 38
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 21°C (70°F) | 11°C (52°F) | 13 | 15.8 h | 4/5 |
| July | 23°C (73°F) | 13°C (55°F) | 13 | 15.5 h | 5/5 |
| August | 23°C (73°F) | 12°C (54°F) | 12 | 14.2 h | 5/5 |
Compared with the rest of the year: average highs of 22°C (72°F) against a yearly 13°C (55°F), and 38 of the year's roughly 127 rainy days fall in these 3 months. Crowds rate 5/5 and hotel prices 5/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: Greenfield rock festival at the Interlaken airfield (usually June)
- July: Swiss National Day celebrations (1 August)
- August: Swiss National Day fireworks and bonfires (1 August)
Good choices for summer
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
Day trips in summer
- Lucerne (About 1 hour 50 minutes by train) — The panoramic train passes Lake Brienz, Lake Lungern and Lake Sarnen on the way to Lucerne, with its covered wooden bridges, old town and lake steamers.
- Thun (About 25 minutes by train or 2 hours by boat) — A lakeside town with a white-towered castle above the old town and a high pavement along the Obere Hauptgasse.
What to pack
- Light layers for the day and a light jacket for the evening
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit Interlaken?
Yes: June–August are among the best months. Every lift and trail open, full waterfalls and lake swimming; busiest and priciest, with frequent afternoon storms.
+What is the weather like in Interlaken in summer?
Highs of up to 23°C (73°F) and lows around 11°C (52°F), with about 38 rainy days over the season.