October in Słupsk averages a daily high of 13.2°C with nights around 5.4°C. Expect roughly 15.1 wet days totalling 75.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Słupsk is June–August.
Based on LEBA, PL (45.5km), 1995–2024. 30 years of October data.