Ruhr water temperature

Ruhr, Olsberg · River

The current water temperature at Ruhr is 17.8 °C (as of August 31, 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.

17.8 °C

Measured: August 31, 2026 · continuously updated

💧 Water 17.8° · ☀️ Air 11.4° · high today 16.7°

Temperature trend of recent weeks

Ruhr — Photo: Helfmann · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 475 data points since July 3, 2026.

Lowest recorded value: 14.7 °C on August 24, 2026 · highest value: 23.4 °C on August 4, 2026.

Nearby waters

Ruhr, Wiemeringhausen · 6.8 km away13.5 °C Neger, Siedlinghausen4 · 10.6 km away14.0 °C Alme, Niederalme · 15.3 km away10.2 °C Alme, Multhaeupter Hammer · 17.1 km away13.2 °C Mühlengraben, Belecke3 · 19.2 km away16.0 °C

More measuring points: Ruhr

Bachum16.1 °C Wiemeringhausen13.5 °C

Frequently asked questions

Can you swim at Ruhr right now?
The current water temperature is 17.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Ruhr?
Currently 17.8 °C (updated continuously).

← All waters