August in Heihe averages a daily high of 25.4°C with nights around 15.5°C. Expect roughly 12.6 wet days totalling 114.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Heihe is May–June.
Based on BLAGOVESCENSK, RS (1km), 1995–2024. 30 years of August data.