Lough Corrib vs Lough Derg

Lough Derg is the warmer swim right now at about 15.8°C. They are roughly 82 km apart in Ireland.

Lough Corrib

County Galway

15.0°C

mild · modelled estimate

October average
15.0°C
Warmest month
August · 18.0°C
Coldest month
6.0°C
Swim season
August–August

Ireland's second-largest lake, with sheltered swim spots near Oughterard.

Lough Derg

Tipperary

15.8°C

mild · modelled estimate

October average
15.8°C
Warmest month
August · 19.0°C
Coldest month
6.0°C
Swim season
July–September

Lough Derg in Tipperary, Ireland is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lough Corrib6.8°C6.0°C6.8°C9.0°C12.0°C15.0°C17.2°C18.0°C17.2°C15.0°C12.0°C9.0°C
Lough Derg6.9°C6.0°C6.9°C9.3°C12.5°C15.8°C18.1°C19.0°C18.1°C15.8°C12.5°C9.3°C

Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.

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