三さん寒かん四し温おん

noun

alternation of three cold and four warm days

Refers to the cyclical weather pattern in late winter and early spring where cold days and warm days alternate. Often used in weather forecasts or seasonal descriptions.

• 三さん寒かん四し温おんで、だんだん春はるが近ちかづいてきた。

  With the alternation of cold and warm days, spring is gradually approaching.

• 天てん気き予よ報ほうによると、今こん週しゅうは三さん寒かん四し温おんの気き候こうになるそうだ。

  According to the weather forecast, this week will have a pattern of alternating cold and warm days.