October in Seinäjoki averages a daily high of 7.9°C with nights around 1.7°C. Expect roughly 14.9 wet days totalling 59.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Seinäjoki is June–August.
Based on SEINAJOKI PELMAA, FI (23.3km), 1995–2024. 30 years of October data.