Climate in Lausanne, Switzerland

Lausanne, Switzerland has a humid continental climate. The annual average temperature is about 10.5°C, with around 1436 hours of sunshine; the national rainfall baseline is roughly 1050 mm across 119 rainy days a year. The warmest month is Jul (highs near 25.7°C) and the coldest is Jan (lows near -4.7°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Lausanne is classified as Humid Continental. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for Switzerland — so cities in the same country usually share a zone.

The rainfall baseline for Switzerland is about 1050 mm a year over roughly 119 rainy days, with the wettest month Jun and the driest Jan. This figure is not specific to Lausanne: every city in Switzerland carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Lausanne sees an estimated 1436 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Lausanne are Sep, Aug, May. Conditions vary year to year — verify with a current forecast before booking.

Lausanne has a climate comfort score of 68/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Geneva — Humid Continental, comfort 68/100
• Climate in Zurich — Humid Continental, comfort 62/100
• Climate in Basel — Humid Continental, comfort 62/100