About Wilhelmshaven, Lower Saxony's Climate & Weather History

With a population of around 84,400, Wilhelmshaven sits in Lower Saxony, Germany. The city operates in the Central European time zone.

In 2025, Wilhelmshaven recorded an average annual temperature of 51°F. The hottest temperatures reached 90°F in July; the coolest were 21°F in February. Total precipitation for the year was 30 inches, with the wettest month being July. Snowfall for the year totaled approximately 3 inches.