August in Yartsevo averages a daily high of 22.6°C with nights around 11.8°C. Expect roughly 12.2 wet days totalling 86.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Yartsevo is May–September.
Based on SMOLENSK, RS (53.4km), 1995–2024. 24 years of August data.