In March, Osan typically sees daytime highs of 9.7°C and overnight lows around -1.4°C. Compared to the annual average high of 16.5°C, March runs -6.9°C.
March in Osan averages a daytime high of 9.7°C and an overnight low of -1.4°C.
March runs -6.9°C compared to Osan's annual average high of 16.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 9.7°C and cooler evenings around -1.4°C.