Spring in Yishui is mild and pleasant, with temperatures gradually warming up from the end of winter. By April, average highs reach around 20°C, while lows remain cool at about 10°C. Summer brings hot and humid conditions, with July being the warmest month, averaging highs of 32°C and lows of 23°C. Autumn is a period of transition, with temperatures gradually cooling down, ranging from 15°C to 25°C by November. Winters are relatively cold, with January lows dipping as low as -4°C, but average highs still reaching around 6°C.