May in Osh averages a daily high of 25.8°C with nights around 13.3°C. Expect roughly 3.5 wet days totalling 9.9mm. 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. 25 years of May data.