August in Tongzhou averages a daily high of 30.4°C with nights around 21.8°C. Expect roughly 9.1 wet days totalling 118.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tongzhou is April–May.
Based on BEIJING, CH (32.5km), 1995–2024. 18 years of August data.