Shannon, Derryholmes · River
The current water temperature at Shannon is 21.8 °C (as of July 18, 2026, source: official monitoring networks).
Can you swim at Shannon right now?
The current water temperature is 21.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Shannon?
Currently 21.8 °C (updated continuously).
How warm is at Shannon in July?
In July, the water temperature recently averaged 20.7 °C.