With a population of around 32,600, Viernheim sits in Hesse, Germany. The city operates in the Central European time zone.
In 2025, Viernheim averaged an annual temperature of 53°F, with hottest temperatures reaching 100°F in July and lowest around 21°F in January. The city received approximately 29 inches of precipitation during the year.
View historical weather for Viernheim · More cities in Hesse