June in Guiyang averages a daily high of 25.5°C with nights around 18.5°C. Expect roughly 16.8 wet days totalling 226.5mm. 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. 18 years of June data.