Wassenaar, in South Holland, Netherlands, is home to roughly 25,400 people in the Central European time zone at 52.1°N latitude.
In 2025, Wassenaar recorded an average annual temperature of 52°F. The hottest temperatures reached 95°F in July; the coolest were 22°F in March. Total precipitation for the year was 31 inches, with the wettest month being October. Snowfall for the year totaled approximately 3 inches.
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