In December, Sinhyeon typically sees daytime highs of 9.1°C and overnight lows around 1.1°C. Compared to the annual average high of 17.6°C, December runs -8.6°C.
December in Sinhyeon averages a daytime high of 9.1°C and an overnight low of 1.1°C.
December runs -8.6°C compared to Sinhyeon's annual average high of 17.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 9.1°C and cooler evenings around 1.1°C.