About Kilkenny, Leinster's Climate & Weather History

With a population of around 21,600, Kilkenny sits in Leinster, Ireland. The city operates in the GMT/IST time zone.

In 2025, Kilkenny recorded an average annual temperature of 51°F. The hottest temperatures reached 82°F in July; the coolest were 20°F in January. Total precipitation for the year was 44 inches, with the wettest month being November. Snowfall for the year totaled approximately 4 inches.