October in Arnhem averages a daily high of 14.9°C with nights around 7°C. Expect roughly 14.6 wet days totalling 75.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Arnhem is May–September.
Based on DEELEN, NL (8.8km), 1995–2024. 30 years of October data.