Average monthly water temperature in Dun Laoghaire, Ireland

On this page you find the mean water temperature over the year in Dun Laoghaire (Dublin County), Ireland. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.

Data from: Dublin, Ireland (17 KM, 10 Miles).

Water in Dun Laoghaire maintains a consistently cool profile. The warmest month, August, has an average temperature of 15°C (59°F).

The coldest water temperature month is March, averaging 8°C (46°F). These conditions are ideal for enjoying peaceful, less crowded water activities.

Dun Laoghaire 3-Day Forecast

10-Day Forecast

More climate data for Dun Laoghaire

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Dun Laoghaire climate overview or explore weather in Ireland.

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