October in Omsk averages a daily high of 7.9°C with nights around -0.3°C. Expect roughly 12 wet days totalling 34.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Omsk is May–September.
Based on OMSK, RS (2.9km), 1995–2024. 24 years of October data.