About Calw, Baden Wurttemberg's Climate & Weather History

Calw is a city of approximately 23,700 people in Baden-Wurttemberg, Germany. Located in the Central European time zone at 48.7°N latitude.

In 2025, Calw recorded an average annual temperature of 52°F. The hottest temperatures reached 93°F in July; the coolest were 17°F in December. Total precipitation for the year was 30 inches, with the wettest month being September. Snowfall for the year totaled approximately 4 inches.