The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
Interlaken (BERN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Interlaken.
–
Climate overview of Interlaken
Temperatures in Interlaken, Canton of Bern, Switzerland, vary greatly throughout the year. July is the hottest month at 18°C (64°F), while January is the coldest at -2°C (28°F).
The city receives considerable rain/snowfall, with around 1951 mm (77 in) annually. July is the wettest month. It has a distinct rainy season from May to August, with pleasant summers and very cold winters. The most sunshine falls in July, with an average of 7.3 hours of daily sunshine.
Interlaken Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Interlaken - and find the best time to visit.
Monthly Temperature in Interlaken
The climate in Interlaken is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a pleasant 18°C (64°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 8°C (46°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Interlaken
Interlaken has a notably wet climate with abundant precipitation, recording 1951 mm (77 in) of rain/snowfall per year. Interlaken offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month July (226 mm (8.9 in)) and the driest month March (129 mm (5.1 in)) is not too significant. For more details, please visit our Interlaken Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Interlaken
For those who appreciate different seasons, Interlaken serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Interlaken by Month
The relative humidity is high throughout the year in Interlaken.
The city experiences its highest humidity in November, reaching 83%. In April, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Interlaken
The most favourable weather available in Interlaken usually occurs in September. Conditions are generally most challenging in January, February, March, April, May, June, July, August, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
wet
May
wet
Jun
very wet
Jul
very wet
Aug
very wet
Sep
mixed
Oct
wet
Nov
cold
Dec
very cold
- Best overall: September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: A distinct rainy season from May to August, with pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Interlaken
What is the best time to visit Interlaken?
September typically offers the most optimal weather in Interlaken. In contrast, January, February, March, April, May, June, July, August, October, November and December tend to have less optimal conditions. Interlaken has a distinct rainy season from May to August, with pleasant summers and very cold winters.
What temperatures can I expect in Interlaken?
Daytime highs range from -2°C (28°F) in January to 18°C (64°F) in July. Nighttime lows range from -9°C (16°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Interlaken get?
Annual rainfall is around 1951 mm (77 in). July is the wettest month with 226 mm (8.9 in), while March is the driest with 129 mm (5.1 in).
How sunny is Interlaken?
Interlaken receives around 1,580 hours of sunshine per year. July is the sunniest month with 219 hours, while December is the cloudiest with just 51 hours.
Interlaken 3-Day Forecast
Interlaken on the map
Interlaken is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana15°C (59°F) Engelberg
15°C (59°F) Nendaz15°C (59°F) Saas-Fee12°C (54°F) Davos13°C (55°F) Grindelwald13°C (55°F) Zermatt11°C (52°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most scenic train journeys in Switzerland
You'll love this Mountain roller coaster
Hotel Oeschinensee’s mountain coaster is a summer toboggan that you want to add to your bucket list. You'll get in your cart, sit down and fly across the track while enjoying the beautiful mountain scenery around you.
The Verzasca Valley
You can visit the Verzasca Valley in any season. It's an amazing place for swimming and it is a paradise for hikers. A must see for the bucket list.
Balloon at Chateau D'oex
If you are looking for a special place to visit in Europe in January we recommend visiting the annual balloon festival in Château-d'Oex, Switzerland.