With a population of around 139,000, Lausanne sits in Vaud, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Lausanne recorded an average annual temperature of 52°F. The hottest temperatures reached 94°F in August; the coolest were 23°F in January. Total precipitation for the year was 48 inches, with the wettest month being September. Snowfall for the year totaled approximately 4 inches.
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