In January, Ansan-si typically sees daytime highs of 1.2°C and overnight lows around -7.8°C. Compared to the annual average high of 15.9°C, January runs -14.8°C.
January in Ansan-si averages a daytime high of 1.2°C and an overnight low of -7.8°C.
January runs -14.8°C compared to Ansan-si's annual average high of 15.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 1.2°C and cooler evenings around -7.8°C.