About Rossum, Gelderland's Climate & Weather History

With a population of around 2,200, Rossum sits in Gelderland, Netherlands. The city operates in the Central European time zone.

In 2025, Rossum recorded an average annual temperature of 52°F. The hottest temperatures reached 93°F in July; the coolest were 24°F in December. Total precipitation for the year was 27 inches, with the wettest month being October. Snowfall for the year totaled approximately 2 inches.