October in Vilnius averages a daily high of 10.7°C with nights around 4.1°C. Expect roughly 12 wet days totalling 29.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Vilnius is June–September.
Based on VILNIUS, LH (13.1km), 1995–2024. 22 years of October data.