Ireland Coastal Region
Dún Laoghaire–Rathdown Sea Water Temperature
Compare sea surface temperatures across 6 top coastal destinations in Dún Laoghaire–Rathdown. Check below for live marine observations, wave conditions, and monthly averages.
Beaches & Swimming Spots in Dún Laoghaire–Rathdown— page 1 of 1
Irish Sea
Bray Beach
A cool beach on the Irish Sea, warmest around September at about 15.4°C.
Historical Sep Avg:15.4°C(59.7°F)
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Hawk Cliff Beach
A cool beach on the Irish Sea, warmest around August at about 15.2°C.
Historical Sep Avg:14.7°C(58.5°F)
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Killiney Beach
A cool beach on the Irish Sea, warmest around August at about 15.2°C.
Historical Sep Avg:14.7°C(58.5°F)
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Sandycove Beach
A cool beach on the Irish Sea, warmest around August at about 15.2°C.
Historical Sep Avg:14.7°C(58.5°F)
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Seapoint
A cool beach on the Irish Sea, warmest around August at about 15.2°C.
Historical Sep Avg:14.7°C(58.5°F)
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White Rock Beach
A cool beach on the Irish Sea, warmest around August at about 15.2°C.
Historical Sep Avg:14.7°C(58.5°F)
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