In October, Seosan typically sees daytime highs of 19.0°C and overnight lows around 10.0°C. Compared to the annual average high of 15.5°C, October runs +3.4°C.
October in Seosan averages a daytime high of 19.0°C and an overnight low of 10.0°C.
October runs +3.4°C compared to Seosan's annual average high of 15.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 10.0°C.