March in Guiyang averages a daily high of 15.7°C with nights around 7.5°C. Expect roughly 13.1 wet days totalling 45.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Guiyang is August–September.
Based on GUIYANG, CH (1.6km), 1995–2024. 19 years of March data.