June in Gatchina averages a daily high of 20.9°C with nights around 8.8°C. Expect roughly 13.5 wet days totalling 68.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gatchina is May–August.
Based on BELOGORKA, RS (19.7km), 1995–2024. 30 years of June data.