July in Yanji averages a daily high of 27.4°C with nights around 17.6°C. Expect roughly 13.3 wet days totalling 131mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yanji is May.
Based on YANJI, CH (2.4km), 1995–2024. 24 years of July data.