In December, Yeosu typically sees daytime highs of 8.1°C and overnight lows around -1.9°C. Compared to the annual average high of 18.4°C, December runs -10.3°C.
December in Yeosu averages a daytime high of 8.1°C and an overnight low of -1.9°C.
December runs -10.3°C compared to Yeosu's annual average high of 18.4°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 8.1°C and cooler evenings around -1.9°C.