March in Dublin averages a daily high of 10.9°C with nights around 3.3°C. Expect roughly 15.9 wet days totalling 56.2mm. 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. 29 years of March data.