About Rathgar, Leinster

With a population of around 8,400, Rathgar sits in Leinster, Ireland. The city operates in the GMT/IST time zone.

Recent weather here gives a sense of typical conditions: in 2025, Rathgar recorded a mean annual temperature of 51°F, ranging from 26°F lows in January to 86°F highs in July, with about 46 inches of precipitation across the year.