When to go
The Best Time to Visit Interlaken
Month-by-month climate data for Interlaken, Switzerland — daily highs and lows, rain days, and an honest verdict for every month of the year.
June–September, December–March. Summer for hiking and lake swims; winter for skiing on Jungfrau and Eiger.
Warmest in Interlaken: Aug (25°C / 77°F) · Coolest: Jan (7°C / 45°F) · Wettest: May (~20 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Interlaken climate, month by month
January
7° / 2°C
~15 rain days
Tough
February
10° / 3°C
~13 rain days
Fair
March
12° / 3°C
~14 rain days
Fair
April
14° / 5°C
~15 rain days
Good
May
18° / 9°C
~20 rain days
Good
June
23° / 14°C
~18 rain days
Good
July
24° / 16°C
~17 rain days
Good
August
25° / 16°C
~14 rain days
Good
September
21° / 14°C
~15 rain days
Good
October
18° / 10°C
~14 rain days
Good
November
11° / 6°C
~14 rain days
Fair
December
8° / 2°C
~16 rain days
Tough
Plan around it
Dates locked in? Start from the Interlaken travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.