March in Osnovyanskyi averages a daily high of 5.2°C with nights around -2.3°C. Expect roughly 12.6 wet days totalling 38.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Osnovyanskyi is May–June.
Based on KHARKIV, UP (8.4km), 1995–2024. 13 years of March data.