April in Bangor averages a daily high of 12.7°C with nights around 5°C. Expect roughly 14 wet days totalling 58.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Bangor is June–September.
Based on STORMONT CASTLE, UK (12.2km), 1995–2024. 30 years of April data.