October in Bangor averages a daily high of 14°C with nights around 7.9°C. Expect roughly 17.9 wet days totalling 109.4mm. 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. 27 years of October data.