October in Hoorn averages a daily high of 14.8°C with nights around 7.9°C. Expect roughly 15.9 wet days totalling 94.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Hoorn is June–September.
Based on BERKHOUT, NL (5.5km), 1995–2024. 26 years of October data.