IJmuiden water temperature
IJmuiden, buitenhaven · River
The current water temperature at IJmuiden is 18.9 °C (as of September 20, 2026, source: Rijkswaterstaat).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
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Measurement series & statistics
This measurement series includes 782 data points since July 22, 2026.
Lowest recorded value: 18.8 °C on September 18, 2026 · highest value: 23.8 °C on August 4, 2026.
In September, temperatures have ranged between 18.8 °C and 21.0 °C.
The current value is 1.1 °C below the September average of this series.
Nearby waters
More measuring points: IJmuiden
Frequently asked questions
Can you swim at IJmuiden right now?
The current water temperature is 18.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at IJmuiden?
Currently 18.9 °C (updated continuously).
How warm is at IJmuiden in September?
In September, the water temperature recently averaged 20.0 °C.
When is the water warmest at IJmuiden?
Across the measurement record, August is on average the warmest month (21.8 °C).
