Interlaken - When to Visit

When to Interlaken

Climate guide & best times to travel

Monthly Climate Data for Interlaken Average temperature and rainfall by month Climate Overview -7°C 2°C 11°C 20°C 29°C Rainfall (mm) 0 72 144 Jan Jan: 3.0°C high, -2.0°C low, 71mm rain Feb Feb: 5.0°C high, -2.0°C low, 66mm rain Mar Mar: 10.0°C high, 0.0°C low, 74mm rain Apr Apr: 14.0°C high, 4.0°C low, 81mm rain May May: 18.0°C high, 8.0°C low, 122mm rain Jun Jun: 22.0°C high, 12.0°C low, 127mm rain Jul Jul: 24.0°C high, 13.0°C low, 145mm rain Aug Aug: 23.0°C high, 13.0°C low, 145mm rain Sep Sep: 19.0°C high, 10.0°C low, 94mm rain Oct Oct: 14.0°C high, 6.0°C low, 79mm rain Nov Nov: 7.0°C high, 1.0°C low, 79mm rain Dec Dec: 3.0°C high, -1.0°C low, 91mm rain Temperature Rainfall
Interlaken experiences a temperate oceanic climate with distinct seasons and consistent humidity levels around 70% year-round. The region follows a typical Alpine pattern with cold winters (December-February) featuring temperatures in the upper 20s to low 40s°F, and mild summers (June-August) with comfortable highs in the low to mid-70s°F. The wettest period occurs during summer months, particularly June through August when rainfall peaks at 5.0-5.7 inches monthly, while late winter shows the driest conditions with February receiving only 2.6 inches. Spring brings gradual warming from March through May, while autumn sees a steady cooling trend with moderate precipitation. This climate pattern makes Interlaken ideal for different activities throughout the year, from winter sports in the colder months to hiking and outdoor adventures during the warmer, though wetter, summer season.

Best Time to Visit

Beach & Relaxation
June through August offer the warmest temperatures (72-75°F highs) for lakeside relaxation, though expect higher rainfall during these months.
Cultural Exploration
April-May and September-October provide mild temperatures (57-65°F) with moderate rainfall, ideal for comfortable sightseeing and indoor/outdoor cultural activities.
Adventure & Hiking
May through September offer the best hiking conditions with temperatures ranging from 65-75°F, though summer months bring increased rainfall requiring proper gear.
Budget Travel
November through March offer the lowest tourist crowds and accommodation rates, with crisp winter weather perfect for those who enjoy cooler temperatures and winter activities.

Month-by-Month Guide

January

January brings the coldest conditions of the year with crisp winter weather. Snow is common in the surrounding mountains, making it perfect for winter sports enthusiasts. The relatively low rainfall of 2.8 inches often falls as snow at higher elevations.

37°F High
26°F Low
2.8 inches Rainfall
Low Crowds
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February

February remains cold but shows the year's lowest rainfall at just 2.6 inches. Winter sports conditions continue to be excellent in the surrounding Alps. The dry conditions make it one of the clearest months for mountain views.

41°F High
27°F Low
2.6 inches Rainfall
Low Crowds
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March

March marks the beginning of spring with noticeably warmer temperatures and slightly increased rainfall. Snow begins melting at lower elevations while higher peaks remain snow-covered. It's an excellent time for those seeking fewer crowds with improving weather.

50°F High
33°F Low
2.9 inches Rainfall
Low Crowds
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April

April brings pleasant spring weather with comfortable temperatures for outdoor exploration. Rainfall increases slightly but remains moderate. The landscape begins to green up, and many hiking trails at lower elevations become accessible.

58°F High
39°F Low
3.2 inches Rainfall
Medium Crowds
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May

May offers delightful spring conditions with warm days and cool nights. Rainfall increases significantly to 4.8 inches as the wet season approaches. This is an excellent month for hiking as most trails open and wildflowers begin blooming.

65°F High
46°F Low
4.8 inches Rainfall
Medium Crowds
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June

June marks the start of peak summer weather with the warmest temperatures yet and increased rainfall at 5.0 inches. Despite the higher precipitation, long daylight hours and comfortable temperatures make it ideal for outdoor activities. Tourist season begins to peak.

72°F High
53°F Low
5.0 inches Rainfall
High Crowds
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July

July brings the year's highest temperatures and peak rainfall of 5.7 inches. Despite frequent showers, the warm weather and long summer days create perfect conditions for hiking, lake activities, and mountain adventures. Expect the highest tourist crowds.

75°F High
56°F Low
5.7 inches Rainfall
High Crowds
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August

August maintains peak summer conditions with warm temperatures and continued high rainfall at 5.7 inches. The combination of warm weather and frequent afternoon thunderstorms creates lush, green landscapes. Tourist crowds remain at their highest levels.

74°F High
56°F Low
5.7 inches Rainfall
High Crowds
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September

September offers excellent weather as temperatures cool to comfortable levels and rainfall decreases to 3.7 inches. The autumn colors begin to appear, making it one of the most scenic months. Crowds start to thin while weather remains ideal for outdoor activities.

66°F High
50°F Low
3.7 inches Rainfall
Medium Crowds
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October

October brings crisp autumn weather with cooler temperatures and moderate rainfall of 3.1 inches. Fall foliage reaches its peak, creating stunning mountain scenery. It's an excellent month for photography and hiking before winter weather arrives.

57°F High
42°F Low
3.1 inches Rainfall
Medium Crowds
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November

November transitions into winter with significantly cooler temperatures and moderate rainfall of 3.1 inches. Early snow may appear at higher elevations while valleys remain mostly rain. Tourist crowds are minimal, offering peaceful exploration opportunities.

46°F High
34°F Low
3.1 inches Rainfall
Low Crowds
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December

December brings full winter conditions with cold temperatures and increased rainfall at 3.6 inches, much of which falls as snow. The Christmas season creates a magical alpine atmosphere, though daylight hours are at their shortest.

38°F High
28°F Low
3.6 inches Rainfall
Low Crowds
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Activities in Interlaken