In December, Gunsan typically sees daytime highs of 6.7°C and overnight lows around -1.8°C. Compared to the annual average high of 16.8°C, December runs -10.0°C.
December in Gunsan averages a daytime high of 6.7°C and an overnight low of -1.8°C.
December runs -10.0°C compared to Gunsan's annual average high of 16.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around -1.8°C.