What to expect in Swiss Alps (Interlaken) in August
August is a strong choice for Swiss Alps (Interlaken): 23° / 13°, with the biggest crowds of the year and premium prices.
Swiss Alps (Interlaken) weather in August
Typical conditions in Swiss Alps (Interlaken) during August, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 23°C 73°F |
|---|---|
| Average low | 13°C 55°F |
| Rainfall | Moderate 50/100 |
| How it feels | Warm and comfortable |
Average highs sit around 23°C with lows near 13°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are High for Swiss Alps (Interlaken) — the biggest crowds of the year.
Prices & value
Prices run high season this month: premium prices.
What to pack
Light layers for 23°C days and something with sleeves for evenings, which cool to around 13°C.
What it costs
This is peak pricing for Swiss Alps (Interlaken). Expect to pay a premium on flights and accommodation, and to book considerably further ahead than usual.
Who this month suits
- Travellers who want the most reliable weather
- Families tied to school holidays
Events & what’s on
No major festivals fall in August, so the destination feels like its everyday self.
Swiss Alps (Interlaken) in August compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| June | 21° / 11° | Moderate | $$ | 61 |
| July | 24° / 13° | High | $$$ | 49 |
| August · This month | 23° / 13° | High | $$$ | 46 |
| September | 19° / 10° | Moderate | $$ | 58 |
| October | 13° / 5° | Low | $ | 61 |
These months score higher for Swiss Alps (Interlaken) on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in August
If the destination is negotiable but the month is not, these places are at their best in August.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated August 2026
