Jeomchon's winters are harsh, with temperatures often dropping below -20°C in January and February, but gradually warming up by March. Spring brings a significant rise in temperatures, with April and May averaging around 17-18°C, while June marks the start of summer with warmer days reaching up to 32°C. The summer months of July and August are hot, with temperatures frequently exceeding 30°C, although they remain relatively stable. Autumn is mild, with September being the warmest month after summer, before cooling down again in October and November. Winters return by December, with temperatures plummeting back below -15°C.