October in Columbia averages a daily high of 20.2°C with nights around 8.5°C. Expect roughly 8.5 wet days totalling 100.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Columbia is April–May.
Based on BALTIMORE WASHINGTON INTERNATIONAL AIRPORT, MD US (15.3km), 1995–2024. 30 years of October data.