Lough Corrib, Annaghdown Pier · Lake
The current water temperature at Lough Corrib is 14.3 °C (as of September 20, 2026, source: official monitoring networks).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
This measurement series includes 1400 data points since July 22, 2026.
Lowest recorded value: 13.7 °C on July 22, 2026 · highest value: 17.9 °C on July 29, 2026.
In September, temperatures have ranged between 14.1 °C and 14.3 °C.
The current value is 0.1 °C above the September average of this series.
Can you swim at Lough Corrib right now?
The current water temperature is 14.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lough Corrib?
Currently 14.3 °C (updated continuously).
How warm is at Lough Corrib in September?
In September, the water temperature recently averaged 14.2 °C.
When is the water warmest at Lough Corrib?
Across the measurement record, July is on average the warmest month (14.2 °C).