In recent years, partly because of tendency of unusually warm winter and influences of global warming, natanetsuyu tends to be carried forward to the winter and fluctuation of weather is worried about.
近年は、暖冬傾向、及び、温暖化の影響もあり、菜種梅雨が冬に繰り上がるきらいがあり、気候の変動が懸念される面もある。