Interlaken: Weather Guide & Climate
Complete month-by-month weather guide: Interlaken. Best time to visit: June, July, August, September. Plan your trip with detailed climate data.
Climate Overview
Interlaken has a moderate climate with average yearly highs of 15°C, lows of 8°C, and approximately 14 rainy days per month.
The best time to visit Interlaken is during June, July, August, September, when conditions are perfect for sightseeing and exploration
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Air Quality
Best Time
Jun, Jul, Aug, Sep
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 9°C | 2°C | 10 | Good |
| February | 11°C | 3°C | 16 | Wet |
| March | 11°C | 3°C | 16 | Wet |
| April | 17°C | 6°C | 6 | Good |
| May | 18°C | 9°C | 16 | Wet |
| June | 20°C | 13°C | 22 | Excellent (best) |
| July | 23°C | 15°C | 16 | Excellent (best) |
| August | 23°C | 15°C | 16 | Excellent (best) |
| September | 20°C | 13°C | 9 | Excellent (best) |
| October | 14°C | 8°C | 20 | Wet |
| November | 12°C | 5°C | 5 | Good |
| December | 6°C | 1°C | 17 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 9°C
Low: 2°C
Rainy days: 14 days/month
Spring
Mar–May
High: 15°C
Low: 6°C
Rainy days: 13 days/month
Summer
Jun–Aug
High: 22°C
Low: 14°C
Rainy days: 18 days/month
Autumn
Sep–Nov
High: 15°C
Low: 9°C
Rainy days: 11 days/month
Month-by-Month Weather Table
January
February
March
April
May
June
BestJuly
BestAugust
BestSeptember
BestOctober
November
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 9°C | 2°C | 10 | Good | View Details → |
| February | 11°C | 3°C | 16 | Wet | View Details → |
| March | 11°C | 3°C | 16 | Wet | View Details → |
| April | 17°C | 6°C | 6 | Good | View Details → |
| May | 18°C | 9°C | 16 | Wet | View Details → |
| June (best) | 20°C | 13°C | 22 | Excellent | View Details → |
| July (best) | 23°C | 15°C | 16 | Excellent | View Details → |
| August (best) | 23°C | 15°C | 16 | Excellent | View Details → |
| September (best) | 20°C | 13°C | 9 | Excellent | View Details → |
| October | 14°C | 8°C | 20 | Wet | View Details → |
| November | 12°C | 5°C | 5 | Good | View Details → |
| December | 6°C | 1°C | 17 | Wet | View Details → |
Interlaken
Alpine adventure capital between two lakes with Jungfrau panoramas and waterfalls. Discover Jungfraujoch Top of Europe train.
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Common Questions
What type of climate does Interlaken have?
Interlaken has a Moderate climate with average yearly temperatures of 15°C (highs) and 8°C (lows).
When is the best time to visit Interlaken?
The best time to visit Interlaken is during June, July, August, September, when temperatures average around 20°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Interlaken?
The hottest month in Interlaken is July with average highs of 23°C, while the coldest is December with average lows of 1°C.
When is the rainy season in Interlaken?
Interlaken sees the most rain in June (22 rainy days), while November is the driest month (5 rainy days).
More Interlaken Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Interlaken: top things to do, itineraries, and typical costs.