In December, Wonju typically sees daytime highs of 3.5°C and overnight lows around -6.9°C. Compared to the annual average high of 16.3°C, December runs -12.9°C.
December in Wonju averages a daytime high of 3.5°C and an overnight low of -6.9°C.
December runs -12.9°C compared to Wonju's annual average high of 16.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.5°C and cooler evenings around -6.9°C.