With a population of around 32,600, Viernheim sits in Hesse, Germany. The city operates in the Central European time zone.
In 2025, Viernheim recorded an average annual temperature of 53°F. The hottest temperatures reached 100°F in July; the coolest were 21°F in January. Total precipitation for the year was 29 inches, with the wettest month being September. Snowfall for the year totaled approximately 2 inches.
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