January in Gatchina averages a daily high of -4.2°C with nights around -9.8°C. Expect roughly 19.4 wet days totalling 46.4mm. 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. 24 years of January data.