April in Derry averages a daily high of 11.3°C with nights around 6°C. Expect roughly 15.8 wet days totalling 58.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Derry is June–September.
Based on MALIN HEAD, EI (41.6km), 1995–2024. 30 years of April data.