About Viernheim, Hesse's Climate & Weather History

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.