About Watergrasshill, Munster's Climate & Weather History

Watergrasshill is a city of approximately 1,300 people in Munster, Ireland. Located in the GMT/IST time zone at 52°N latitude.

In 2025, Watergrasshill recorded an average annual temperature of 51°F. The hottest temperatures reached 78°F in July; the coolest were 24°F in January. Total precipitation for the year was 52 inches, with the wettest month being November. Snowfall for the year totaled approximately 2 inches.