About Cahersiveen, Munster's Climate & Weather History

With a population of around 1,000, Cahersiveen sits in Munster, Ireland. The city operates in the GMT/IST time zone.

In 2025, Cahersiveen recorded an average annual temperature of 52°F. The hottest temperatures reached 76°F in August; the coolest were 27°F in January. Total precipitation for the year was 92 inches, with the wettest month being December. Snowfall for the year totaled approximately 5 inches.