With a population of around 107,000, Siegen sits in North Rhine-Westphalia, Germany. The city operates in the Central European time zone.
In 2025, Siegen recorded an average annual temperature of 50°F. The hottest temperatures reached 94°F in July; the coolest were 5°F in January. Total precipitation for the year was 33 inches, with the wettest month being January. Snowfall for the year totaled approximately 6 inches.
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