About Newcastle West, Munster

With a population of around 6,600, Newcastle West sits in Munster, Ireland. The city operates in the GMT/IST time zone.

Recent weather here gives a sense of typical conditions: in 2025, Newcastle West recorded a mean annual temperature of 51°F, ranging from 21°F lows in January to 81°F highs in July, with about 55 inches of precipitation across the year.