Deel, Ballycarroon · River
The current water temperature at Deel is 13.0 °C (as of September 20, 2026, source: official monitoring networks).
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.
This measurement series includes 1399 data points since July 22, 2026.
Lowest recorded value: 13.0 °C on September 20, 2026 · highest value: 18.9 °C on July 24, 2026.
In September, temperatures have ranged between 13.0 °C and 16.0 °C.
The current value is 1.8 °C below the September average of this series.
Can you swim at Deel right now?
The current water temperature is 13.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Deel?
Currently 13.0 °C (updated continuously).
How warm is at Deel in September?
In September, the water temperature recently averaged 14.8 °C.
When is the water warmest at Deel?
Across the measurement record, July is on average the warmest month (16.6 °C).