About Clondalkin, Leinster's Climate & Weather History

Clondalkin, in Leinster, Ireland, is home to roughly 14,500 people in the GMT/IST time zone at 53.3°N latitude.

In 2025, Clondalkin recorded an average annual temperature of 51°F. The hottest temperatures reached 86°F in July; the coolest were 26°F in January. Total precipitation for the year was 46 inches, with the wettest month being April. Snowfall for the year totaled approximately 2 inches.