March in Dêqên averages a daily high of 13.7°C with nights around -0.3°C. Rain is rare — about 2.1 wet days and 3.7mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Dêqên is April–May.
Based on LHASA, CH (51.7km), 1995–2024. 24 years of March data.