In July, Osan typically sees daytime highs of 28.8°C and overnight lows around 21.0°C. Compared to the annual average high of 16.5°C, July runs +12.3°C.
July in Osan averages a daytime high of 28.8°C and an overnight low of 21.0°C.
July runs +12.3°C compared to Osan's annual average high of 16.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 28.8°C and cooler evenings around 21.0°C.