October in Dehradun averages a daily high of 30°C with nights around 16.5°C. Expect roughly 3.3 wet days totalling 29.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dehradun is November–January.
Based on DEHRADUN, IN (0.8km), 1995–2024. 24 years of October data.