January in Osh averages a daily high of 3.8°C with nights around -4.5°C. Rain is rare — about 1 wet days and 2mm across the month. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Osh is April–May.
Based on KARA SUU, KG (11.7km), 1995–2024. 25 years of January data.