March in Barnaul averages a daily high of 0.4°C with nights around -10.7°C. Expect roughly 10.1 wet days totalling 20mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Barnaul is May–September.
Based on BARNAUL, RS (16.1km), 1995–2024. 25 years of March data.