Winters in Jiannan, China are mild and variable, with January temperatures averaging around 6°C, often dropping below freezing but occasionally rising above. February brings a slight increase in average temperature, ranging from 1-24°C. Spring arrives in March, with temperatures gradually warming up to an average of 14°C, reaching as high as 29°C. Summer is hot and humid, with July being the warmest month, averaging around 27°C, although temperatures can soar above 36°C. Autumn brings a welcome respite from the heat, with September's average temperature dropping back down to 24°C, followed by a return to cooler winter conditions in November.