April in Dublin averages a daily high of 13.2°C with nights around 4.6°C. Expect roughly 14.4 wet days totalling 52.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Dublin is June–September.
Based on DUBLIN PHOENIX PARK, EI (5.8km), 1995–2024. 30 years of April data.