With a population of around 12,900, Castlebar sits in Connacht, Ireland. The city operates in the GMT/IST time zone.
Recent weather here gives a sense of typical conditions: in 2025, Castlebar recorded a mean annual temperature of 51°F, ranging from 28°F lows in January to 80°F highs in July, with about 58 inches of precipitation across the year.
View historical weather for Castlebar · More cities in Connacht