With a population of around 12,900, Castlebar sits in Connacht, Ireland. The city operates in the GMT/IST time zone.
In 2025, Castlebar recorded an average annual temperature of 51°F. The hottest temperatures reached 80°F in July; the coolest were 28°F in January. Total precipitation for the year was 58 inches, with the wettest month being October. Snowfall for the year totaled approximately 3 inches.
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