Interlaken · SpringMonth summary
Interlaken weather in May
⚠️ Fair
🌡️ Temperature min / max
9°C – 17°C
🌧 Rainy days
66% of days
☀️ Sunshine
11.7h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
5.8/10
📅 📅 Best month
August (7.7/10)
Quick decision
Should you visit Interlaken in May?
⚠️ Fair
✅ Yes if: you prefer off-season travel with reduced prices and very few tourists.
❌ No if: you want to avoid rain — more than half the days are rainy.
Our take: May is an average time for Interlaken. August (7.7/10) is clearly preferable.
By trip type
Interlaken in May by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in May
Spring marks the start of the good season in Interlaken. Temperatures rise (17°C) and tourists have not yet arrived en masse. With 66% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. August (7.7/10) is significantly better if possible.
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All months for Interlaken
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score | Ski score 🎿 |
|---|---|---|---|---|---|---|---|
| 🌦️ January | 1°C | 7°C | 54% | 5.0 | 7.2h | 2.8/10 | 6.5/10 |
| 🌦️ February | 2°C | 9°C | 45% | 3.8 | 8.3h | 4.1/10 | 6.2/10 |
| 🌦️ March | 3°C | 11°C | 47% | 3.9 | 10.1h | 4.5/10 | 5.8/10 |
| 🌦️ April | 6°C | 15°C | 50% | 4.8 | 11.9h | 6.1/10 | 4.7/10 |
| 🌧️ May | 9°C | 17°C | 66% | 6.8 | 11.7h | 5.8/10 | 4.1/10 |
| 🌦️ June | 14°C | 23°C | 56% | 5.6 | 13.1h | 7.4/10 | 3.8/10 |
| 🌦️ July | 16°C | 24°C | 60% | 5.9 | 13.6h | 7.4/10 | 3.6/10 |
| 🌤️ August | 16°C | 25°C | 49% | 5.7 | 12.7h | 7.7/10 | 3.8/10 |
| 🌦️ September | 14°C | 21°C | 50% | 4.9 | 10.8h | 7.2/10 | 3.9/10 |
| 🌦️ October | 10°C | 17°C | 42% | 4.6 | 9.3h | 7.0/10 | 4.2/10 |
| 🌦️ November | 5°C | 11°C | 47% | 4.6 | 7.0h | 4.1/10 | 5.2/10 |
| 🌦️ December | 2°C | 8°C | 46% | 4.6 | 6.9h | 3.8/10 | 6.2/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Interlaken averages 17°C, 66% rainy days and 11.7h of sunshine per day. Overall weather score: 5.8/10.
See methodology →
Comparison
May vs August (best month)
The best month is August (score 7.7/10). Difference:
- 🌡️ Max temperature : +8°C
- 🌧 Rainy days : -17%
- ☀️ Sunshine : +1.0h/day
FAQ
FAQ — Interlaken in May
Is May a good time to visit Interlaken?
Transition period with a summer score of 5.8/10 and ski score of 4.1/10. Neither the best ski nor summer season.
Does it rain a lot in Interlaken in May?
Yes, 66% of days see rain in May. Plan some indoor activities as backup.
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