Winters in Chungju are harsh, with temperatures often dropping below -20°C and averaging around -4°C in January. The cold weather persists into February, but temperatures gradually rise by March, allowing for mild days to occasionally reach up to 24°C. As spring arrives, temperatures continue to climb, with April and May experiencing warm days above 25°C, while June marks the beginning of hot summer months. Summer highs can soar to over 35°C in July and August, but temperatures begin to drop again by September, allowing for comfortable days around 20°C. By November, the air cools down once more, and December brings back chilly conditions similar to those in January.