August in Achinsk averages a daily high of 22°C with nights around 11.7°C. Expect roughly 13.5 wet days totalling 65.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Achinsk is June–August.
Based on ACHINSK, RS (1.3km), 1995–2024. 30 years of August data.