July in Hailar averages a daily high of 26.8°C with nights around 15.5°C. Expect roughly 13.2 wet days totalling 99.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hailar is May–June.
Based on HAILAR, CH (5.6km), 1995–2024. 22 years of July data.