About Dundrum, Leinster

Dundrum, in Leinster, Ireland, is home to roughly 12,200 people in the GMT/IST time zone at 53.3°N latitude.

In 2025, Dundrum averaged an annual temperature of 52°F, with hottest temperatures reaching 86°F in July and lowest around 26°F in January. The city received approximately 46 inches of precipitation during the year.