Den Helder water temperature
Den Helder, Marsdiep · River
The current water temperature at Den Helder is 15.3 °C (as of October 16, 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.
Measurement series & statistics
This measurement series includes 861 data points since August 17, 2026.
Lowest recorded value: 14.6 °C on October 12, 2026 · highest value: 21.4 °C on August 17, 2026.
In October, temperatures have ranged between 14.6 °C and 18.2 °C.
The current value is 1.4 °C below the October average of this series.
Nearby waters
Frequently asked questions
Can you swim at Den Helder right now?
The current water temperature is 15.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Den Helder?
Currently 15.3 °C (updated continuously).
How warm is at Den Helder in October?
In October, the water temperature recently averaged 16.7 °C.
When is the water warmest at Den Helder?
Across the measurement record, August is on average the warmest month (19.9 °C).
