Cavan River water temperature
Cavan River, Breffni Park · River
The current water temperature at Cavan River 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.
Measurement series & statistics
This measurement series includes 1400 data points since July 22, 2026.
Lowest recorded value: 11.3 °C on August 24, 2026 · highest value: 19.9 °C on July 28, 2026.
In September, temperatures have ranged between 12.6 °C and 16.6 °C.
The current value is 2.0 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Cavan River 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 Cavan River?
Currently 13.0 °C (updated continuously).
How warm is at Cavan River in September?
In September, the water temperature recently averaged 15.0 °C.
When is the water warmest at Cavan River?
Across the measurement record, July is on average the warmest month (16.8 °C).
