January in Odesa averages a daily high of 1.6°C with nights around -3.1°C. Expect roughly 10.2 wet days totalling 39.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Odesa is May–September.
Based on ODESA, UP (8.7km), 1995–2024. 11 years of January data.