With a population of around 32,800, Maassluis sits in South Holland, Netherlands. The city operates in the Central European time zone.
In 2025, Maassluis 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 28 inches, with the wettest month being October. Snowfall for the year totaled approximately 3 inches.
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