July in Tianshui averages a daily high of 30.2°C with nights around 18.3°C. Expect roughly 12.2 wet days totalling 128.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tianshui is April–May.
Based on BEIDAO, CH (11.5km), 1995–2024. 19 years of July data.