April in Osh averages a daily high of 20.4°C with nights around 9.5°C. Expect roughly 5.5 wet days totalling 36mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Osh is April–May.
Based on KARA SUU, KG (11.7km), 1995–2024. 26 years of April data.