July in Guiyang averages a daily high of 27.7°C with nights around 20.3°C. Expect roughly 13.9 wet days totalling 195.6mm. 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 July data.