Lough Sheelin water temperature
Lough Sheelin, Mount Nugent · Lake
The current water temperature at Lough Sheelin is 12.7 °C (as of October 16, 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 1431 data points since August 17, 2026.
Lowest recorded value: 11.9 °C on October 10, 2026 · highest value: 19.1 °C on August 17, 2026.
In October, temperatures have ranged between 11.9 °C and 15.5 °C.
The current value is 0.9 °C below the October average of this series.
Nearby waters
Frequently asked questions
Can you swim at Lough Sheelin right now?
The current water temperature is 12.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lough Sheelin?
Currently 12.7 °C (updated continuously).
How warm is at Lough Sheelin in October?
In October, the water temperature recently averaged 13.6 °C.
When is the water warmest at Lough Sheelin?
Across the measurement record, August is on average the warmest month (17.4 °C).
