With a population of around 4,800, Bettlach sits in Solothurn, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Bettlach recorded an average annual temperature of 51°F. The hottest temperatures reached 92°F in August; the coolest were 21°F in November. 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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