What to expect in Swiss Alps (Interlaken) in May
May is a mixed month in Swiss Alps (Interlaken). You get 18° / 8°, but manageable crowds at the big attractions. Worth it for the right traveller.
Swiss Alps (Interlaken) weather in May
Typical conditions in Swiss Alps (Interlaken) during May, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 18°C 64°F |
|---|---|
| Average low | 8°C 46°F |
| Rainfall | Moderate 50/100 |
| How it feels | Mild — layers weather |
Average highs sit around 18°C with lows near 8°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Low for Swiss Alps (Interlaken) — plenty of space at the main sights.
Prices & value
Prices run low season this month: some of the best deals of the year.
What to pack
Layers you can shed: 18°C by day and about 8°C after dark is a two-jacket kind of month.
What it costs
This is one of the cheaper months to visit Swiss Alps (Interlaken). Flights and accommodation sit near their yearly floor, and you can usually book late without being punished for it. Compared with the most expensive month of the year, you are looking at roughly 63% less.
Who this month suits
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in May, so the destination feels like its everyday self.
Swiss Alps (Interlaken) in May 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 |
|---|---|---|---|---|
| March | 9° / 0° | Moderate | $$ | 44 |
| April | 14° / 3° | Low | $ | 69 |
| May · This month | 18° / 8° | Low | $ | 68 |
| June | 21° / 11° | Moderate | $$ | 61 |
| July | 24° / 13° | High | $$$ | 49 |
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 May
If the destination is negotiable but the month is not, these places are at their best in May.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated August 2026
