Winters in Tsuruoka are cold and snowy, with temperatures often below freezing, averaging around 0°C in January and 3°C in December. Spring is a gradual warming period, with March marking the beginning of significant temperature increases, reaching averages of 6°C by month's end. Summer months bring warm to hot conditions, with July and August temperatures frequently soaring above 30°C. Autumn brings a return to milder weather, with September temperatures averaging around 20°C before cooling off into winter once more.