July in Longjiang averages a daily high of 28.7°C with nights around 19.5°C. Expect roughly 12.2 wet days totalling 150mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Longjiang is August–September.
Based on QIQIHAR, CH (54.6km), 1995–2024. 24 years of July data.