How humid is the Netherlands in 2026?

KNMI climate normals show high average relative humidity across the country, with maritime air strongest near the coast and water bodies. Winter damp after rain weeks matters for laundry, mould, and how cold a flat feels indoors: Winter cold and Rain. Summer heatwaves raise muggy overnight hours when winds drop and cities hold heat: Summer heat.

Coastal breeze can still make outdoor afternoons feel fresher than inland courtyards even when humidity readings stay elevated: Wind and Best climate.

Ask about ventilation, bathroom fans, and prior mould before signing in Amsterdam or Rotterdam canal stock: Living in Amsterdam, Living in Rotterdam, and How to rent a home. Budget energy for heating and dehumidifying rather than assuming mild winters need no attention: Utilities, internet, and transport. Dry laundry space matters when outdoor lines stay wet for days.