In December, Gyeongsan-si typically sees daytime highs of 6.5°C and overnight lows around -4.1°C. Compared to the annual average high of 17.9°C, December runs -11.4°C.
December in Gyeongsan-si averages a daytime high of 6.5°C and an overnight low of -4.1°C.
December runs -11.4°C compared to Gyeongsan-si's annual average high of 17.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.5°C and cooler evenings around -4.1°C.