August in Peterhof averages a daily high of 21.6°C with nights around 14.1°C. Expect roughly 12.6 wet days totalling 88.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Peterhof is May–August.
Based on ST. PETERSBURG, RS (24.1km), 1995–2024. 24 years of August data.