With a population of around 1,200, Welschenrohr sits in Solothurn, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Welschenrohr recorded an average annual temperature of 48°F. The hottest temperatures reached 89°F in August; the coolest were 18°F in January. Total precipitation for the year was 49 inches, with the wettest month being September. Snowfall for the year totaled approximately 6 inches.
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