October in Ljubljana averages a daily high of 16.5°C with nights around 8.1°C. Expect roughly 10.3 wet days totalling 125.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ljubljana is May–September.
Based on LJUBLJANA BEZIGRAD, SI (1.9km), 1995–2024. 29 years of October data.