Weather in Interlaken

Interlaken Weather Overview

Interlaken, located in the heart of Switzerland, experiences a temperate climate characterized by four distinct seasons. The weather in Interlaken is greatly influenced by its proximity to the Swiss Alps, resulting in stunning natural landscapes and diverse weather conditions throughout the year. During the summer months, from June to August, Interlaken enjoys mild to warm temperatures, with average highs ranging from 20°C to 25°C (68°F to 77°F). This is considered the peak tourist season as visitors flock to the region to indulge in outdoor activities such as hiking, paragliding, and rafting. However, occasional thunderstorms and showers can occur, so it is advisable to pack a light jacket or raincoat.


In contrast, Interlaken experiences colder temperatures during the winter season, from December to February. Average highs range from 2°C to 5°C (36°F to 41°F), while temperatures can drop below freezing at night. This period brings a magical transformation to the region as it becomes a winter wonderland, attracting visitors interested in skiing, snowboarding, and other winter sports. It is important to dress warmly with multiple layers, including hats, gloves, and thick jackets, to withstand the chilly conditions. Spring (March to May) and autumn (September to November) are transitional seasons in Interlaken. These periods are characterized by mild temperatures, ranging from 8°C to 16°C (46°F to 61°F), and the surrounding landscapes showcase beautiful blooms or vibrant fall foliage, respectively. These seasons offer pleasant weather for exploring the region's natural beauty, hiking trails, and picturesque towns.

Interlaken Weather Details

  • Highest Temperature: The highest recorded temperature in Interlaken was around 36°C (97°F). This typically occurs during the summer months of July and August when the region experiences warmer weather.
  • Lowest Temperature: The lowest recorded temperature in Interlaken was approximately -20°C (-4°F). This occurs during the winter months of December and January when the region experiences cold temperatures due to its proximity to the Swiss Alps.
  • Longest Days: During the summer solstice in late June, Interlaken experiences its longest days of the year. On this day, the sun can be up for approximately 16 to 17 hours, providing ample daylight for outdoor activities and exploration.
  • Shortest Days: Conversely, during the winter solstice in late December, Interlaken experiences its shortest days of the year. The daylight hours can be as short as 8 to 9 hours, with the sun setting earlier in the afternoon.
  • Rainfall: Interlaken receives moderate rainfall throughout the year, but it is slightly higher during the summer months. On average, the region receives around 100-150mm (4-6 inches) of rainfall per month during the summer season.
  • Snowfall: Interlaken experiences significant snowfall during the winter months, especially in the higher elevations. The surrounding Swiss Alps receive abundant snow, making it a popular destination for winter sports enthusiasts.
  • Foehn Winds: Interlaken is occasionally affected by the Foehn winds, which are warm, dry winds that descend from the mountains. These winds can cause a sudden increase in temperatures and lead to rapid snowmelt.

Interlaken Weather Month-Wise

January

January is one of the coldest months in Interlaken. The average high temperature during the day is around 2°C (36°F), while the average low temperature drops to -4°C (25°F). It is common to experience snowfall during this month.

February

Similar to January, February remains cold in Interlaken. The average high temperature rises slightly to 4°C (39°F), and the average low temperature hovers around -3°C (27°F). Snowfall is still quite common.

March

In March, Interlaken begins to transition into milder weather. The average high temperature reaches 8°C (46°F), while the average low temperature is around 0°C (32°F). Snowfall may still occur, but it starts to decrease as the month progresses.

April

April marks the arrival of spring in Interlaken. The average high temperature increases to 13°C (55°F), and the average low temperature is about 3°C (37°F). While snow is less frequent, rain showers become more common.

May

May brings pleasant spring weather to Interlaken. The average high temperature rises to 17°C (63°F), and the average low temperature is around 7°C (45°F). It's a good time to explore the outdoors, but occasional rain showers can still occur.

June

June is considered a mild and pleasant month in Interlaken. The average high temperature reaches 21°C (70°F), while the average low temperature stays around 11°C (52°F). The weather is generally suitable for outdoor activities.

July

July is one of the warmest months in Interlaken. The average high temperature reaches 23°C (73°F), and the average low temperature remains at around 13°C (55°F). It's a popular time for tourists, and the weather is generally sunny and pleasant.

August

August shares similar weather characteristics with July. The average high temperature remains at 23°C (73°F), and the average low temperature stays around 13°C (55°F). It's a good time for outdoor activities and enjoying the natural beauty of Interlaken.

September

In September, Interlaken experiences the arrival of autumn. The average high temperature decreases slightly to 19°C (66°F), and the average low temperature is about 9°C (48°F). The weather can be unpredictable, with occasional rain showers.

October

October brings cooler temperatures to Interlaken. The average high temperature drops to 13°C (55°F), and the average low temperature is around 5°C (41°F). It's a transitional month, and rainfall becomes more frequent.

November

November is a chilly month in Interlaken. The average high temperature reaches 7°C (45°F), and the average low temperature drops to 0°C (32°F). It's not uncommon to experience snowfall during this month.

December

December is the coldest month in Interlaken. The average high temperature hovers around 3°C (37°F), and the average low temperature drops to -3°C (27°F). Snowfall is common, and the region gets a wintry atmosphere.

Best Time to Visit


The best time to visit Interlaken largely depends on your personal preferences and the activities you wish to engage in. Each season in Interlaken offers its own unique charm and experiences. Summer (June to August) is considered the peak tourist season in Interlaken. The weather is generally mild to warm, with temperatures ranging from 20°C to 25°C (68°F to 77°F). This is an ideal time for outdoor activities such as hiking, paragliding, rafting, and exploring the beautiful lakes and waterfalls in the region. The days are longer, allowing you to make the most of your time and enjoy the stunning scenery. If you are a winter sports enthusiast, the winter season (December to February) is the best time to visit Interlaken. 


The region is transformed into a magical winter wonderland, with snow-covered landscapes and opportunities for skiing, snowboarding, and ice skating. The temperatures range from 2°C to 5°C (36°F to 41°F), and the surrounding Swiss Alps provide excellent skiing conditions. For those who prefer milder weather and fewer crowds, the transitional seasons of spring (March to May) and autumn (September to November) are great times to visit Interlaken. During these seasons, the temperatures are pleasant, ranging from 8°C to 16°C (46°F to 61°F). Spring brings blooming flowers and green landscapes, while autumn showcases vibrant fall foliage. These seasons offer a more tranquil experience, and you can enjoy hiking, sightseeing, and exploring the charming towns at a leisurely pace. Ultimately, the best time to visit Interlaken depends on your preferences, whether you enjoy outdoor activities in summer, winter sports, or the beauty of the changing seasons. Regardless of the time you choose to visit, Interlaken's breathtaking scenery and natural wonders will surely leave a lasting impression.

FAQ’s

What is the average temperature in Interlaken during the summer?

During the summer months of June to August, Interlaken experiences average high temperatures ranging from 20°C to 25°C (68°F to 77°F).

Does Interlaken experience snowfall?

Yes, Interlaken experiences significant snowfall during the winter months, especially in the higher elevations. The surrounding Swiss Alps receive abundant snow, making it a popular destination for winter sports.

What is the rainfall like in Interlaken?

Interlaken receives moderate rainfall throughout the year, with slightly higher precipitation during the summer months. On average, the region receives around 100-150mm (4-6 inches) of rainfall per month during the summer season.

Are there any extreme temperature fluctuations in Interlaken?

Interlaken does not experience extreme temperature fluctuations. However, there can be variations between seasons, with warm summers and cold winters due to its alpine location.

Does Interlaken experience strong winds?

Interlaken is occasionally affected by the Foehn winds, warm and dry winds that descend from the mountains. These winds can cause a sudden increase in temperatures and lead to rapid snowmelt.

What is the best time to visit Interlaken for outdoor activities?

The best time to visit Interlaken for outdoor activities such as hiking, paragliding, and water sports is during the summer months of June to August when the weather is mild to warm, and the days are longer. However, it's worth noting that different activities may have specific optimal seasons, such as skiing in winter.

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