In March, Seongnam-si typically sees daytime highs of 9.3°C and overnight lows around -1.3°C. Compared to the annual average high of 16.1°C, March runs -6.8°C.
March in Seongnam-si averages a daytime high of 9.3°C and an overnight low of -1.3°C.
March runs -6.8°C compared to Seongnam-si's annual average high of 16.1°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 9.3°C and cooler evenings around -1.3°C.