Lahn water temperature
Lahn, Feudingen · River
The current water temperature at Lahn is 8.3 °C (as of October 16, 2026, source: LANUV NRW).
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 465 data points since August 17, 2026.
Lowest recorded value: 6.4 °C on September 26, 2026 · highest value: 17.5 °C on August 27, 2026.
In October, temperatures have ranged between 6.9 °C and 13.6 °C.
The current value is 1.8 °C below the October average of this series.
Nearby waters
More measuring points: Lahn
Frequently asked questions
Can you swim at Lahn right now?
The current water temperature is 8.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lahn?
Currently 8.3 °C (updated continuously).
How warm is at Lahn in October?
In October, the water temperature recently averaged 10.1 °C.
When is the water warmest at Lahn?
Across the measurement record, August is on average the warmest month (14.4 °C).
