Dun Laoghaire is a city of approximately 26,500 people in Leinster, Ireland. Located in the GMT/IST time zone at 53.3°N latitude.
In 2025, Dun Laoghaire recorded an average annual temperature of 53°F. The hottest temperatures reached 80°F in July; the coolest were 29°F in January. Total precipitation for the year was 49 inches, with the wettest month being November. Snowfall for the year totaled approximately 2 inches.
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