About Rotterdam, South Holland's Climate & Weather History

With a population of around 868,000, Rotterdam sits in South Holland, Netherlands. The city operates in the Central European time zone.

In 2025, Rotterdam recorded an average annual temperature of 53°F. The hottest temperatures reached 98°F in July; the coolest were 25°F in December. Total precipitation for the year was 27 inches, with the wettest month being October. Snowfall for the year totaled approximately 4 inches.