Lough Corrib water temperature
Lough Corrib, Cong Pier · Lake
The current water temperature at Lough Corrib is 18.1 °C (as of September 1, 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.
Measurement series & statistics
This measurement series includes 1434 data points since July 3, 2026.
Lowest recorded value: 17.7 °C on August 24, 2026 · highest value: 23.0 °C on July 16, 2026.
In September, temperatures have ranged between 18.1 °C and 18.5 °C.
The current value is 0.2 °C below the September average of this series.
Nearby waters
More measuring points: Lough Corrib
Frequently asked questions
Can you swim at Lough Corrib right now?
The current water temperature is 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lough Corrib?
Currently 18.1 °C (updated continuously).
How warm is at Lough Corrib in September?
In September, the water temperature recently averaged 18.3 °C.
When is the water warmest at Lough Corrib?
Across the measurement record, July is on average the warmest month (19.6 °C).
