Sissach, in Basel-Landschaft, Switzerland, is home to roughly 5,900 people in the Europe/Zurich time zone at 47.5°N latitude.
In 2025, Sissach recorded an average annual temperature of 52°F. The hottest temperatures reached 94°F in August; the coolest were 22°F in January. Total precipitation for the year was 56 inches, with the wettest month being January. Snowfall for the year totaled approximately 5 inches.
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