With a population of around 1,300, Castlemartyr sits in Munster, Ireland. The city operates in the GMT/IST time zone.
In 2025, Castlemartyr recorded an average annual temperature of 52°F. The hottest temperatures reached 76°F in July; the coolest were 24°F in January. Total precipitation for the year was 53 inches, with the wettest month being November. Snowfall for the year totaled approximately 1 inches.
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