October in Kotlas averages a daily high of 5.5°C with nights around 0.5°C. Expect roughly 17.1 wet days totalling 59.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Kotlas is June–August.
Based on KOTLAS, RS (4.3km), 1995–2024. 25 years of October data.