Interlaken, SwitzerlandQuick decision
When to visit Interlaken?
🌞 Best time overall
August
🌡️ Optimal temperature
16°C–25°C in August
🌧 Least rain
49% rainy days in August
🌧 Wettest month
January (54%)
📅 Best score
7.7/10
Monthly climate data
Interlaken weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | 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
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 14°C, 54% rainy days, 11.2h sunshine/day. Score: 5.5/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 55% rainy days, 13.1h sunshine/day. Score: 7.5/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 16°C, 46% rainy days, 9.0h sunshine/day. Score: 6.1/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 8°C, 48% rainy days, 7.5h sunshine/day. Score: 3.6/10.
Accommodation
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Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
It depends on the activity. For skiing: January (ski score 6.5/10). For hiking/summer: August (7.7/10, 25°C).
Yes, it's peak ski season. Average ski score December–February: 6.3/10. Cold temperatures (7°C max in January) and frequent snowfall.
In August, temperatures average 25°C. Ideal for hiking and outdoor activities.
January is the wettest month with 54% rainy days.
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