March in Gatchina averages a daily high of 2.1°C with nights around -7°C. Expect roughly 13 wet days totalling 34.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Gatchina is May–August.
Based on BELOGORKA, RS (19.7km), 1995–2024. 27 years of March data.