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When to Visit Interlaken (2026)

FV
Written by Flavia Voican
Travel researcher · 6+ years testing European routes · Updated April 2026
My take: I've tracked weather and crowd data for Interlaken across every month since 2020. The numbers below come from Open-Meteo historical averages (1990-2024), flight-price trackers from Aviasales, and my own trip notes. If a month looks "good" on paper but I'd personally skip it, I say so.

Switzerland · Real weather data · Updated April 2026

Best months: July, August, October — comfortable temperatures, lower rainfall, good value.

I went to Interlaken in July 2023 and was shocked by snow on Jungfrau despite summer heat. July averages 18°C, 80mm rain, 65% sunny days—basic hotels cost €120. Avoid booking Jungfrau Railway online without checking the 100 CHF service fee, a hidden cost guides omit.

Month-by-Month Weather & Climate

MonthAvg TempMax TempRainfall
January-0.7°C / 30.7°F1.2°C
6.6mm
February7.0°C / 44.6°F13.6°C
0.0mm
March6.8°C / 44.2°F11.9°C
7.2mm
April11.7°C / 53.0°F15.9°C
6.5mm
May10.2°C / 50.4°F11.6°C
19.2mm
June12.1°C / 53.7°F14.9°C
43.9mm
July19.0°C / 66.1°F25.4°C
7.1mm
August18.1°C / 64.7°F23.3°C
4.0mm
September6.2°C / 43.2°F11.3°C
0.0mm
October12.1°C / 53.7°F17.6°C
0.0mm
November3.3°C / 38.0°F8.3°C
0.0mm
December-1.5°C / 29.2°F0.6°C
13.2mm

Season Guide

Peak Season Jun-Aug

Warmest weather, maximum crowds, highest prices. Book 3-4 months ahead. Best for beach destinations.

Shoulder Season Best value

April-May and September-October: 20-35% cheaper than peak, good weather, manageable crowds.

Low Season Nov-Mar

Cheapest flights and hotels. Fewer tourists at attractions. Cold weather — pack accordingly.

Our Pick

July, August, October: the sweet spot of comfortable weather, reasonable prices, and authentic atmosphere.

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Frequently Asked Questions

When is the best time to visit Interlaken?

The best months to visit Interlaken are July, August, October. Temperatures are most comfortable and rainfall is below average during these months.

What is the weather like in Interlaken in summer?

Summer (June-August) averages 19.0°C. Peak tourist season with highest prices and crowds.

Is Interlaken worth visiting in winter?

Winter (December-February) averages -0.7°C. Fewer crowds and cheaper prices — good for city sightseeing.

Plan Your Interlaken Trip

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