About Schleswig, Schleswig Holstein's Climate & Weather History

Schleswig, in Schleswig-Holstein, Germany, is home to roughly 24,100 people in the Central European time zone at 54.5°N latitude.

In 2025, Schleswig recorded an average annual temperature of 50°F. The hottest temperatures reached 88°F in July; the coolest were 17°F in February. Total precipitation for the year was 32 inches, with the wettest month being July. Snowfall for the year totaled approximately 5 inches.