August in Sanchuan averages a daily high of 23.4°C with nights around 14.3°C. Expect roughly 21.7 wet days totalling 217.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sanchuan is March–April.
Based on LIJING, CH (21.1km), 1995–2024. 24 years of August data.