April in Gatchina averages a daily high of 10°C with nights around -0.6°C. Expect roughly 12.1 wet days totalling 37.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Gatchina is May–August.
Based on BELOGORKA, RS (19.7km), 1995–2024. 29 years of April data.