noun
Indian summer; mild late autumn weather
Refers to warm, calm, spring-like weather in late autumn, typically around November. A yojijukugo often used in weather reports and seasonal descriptions.
See also: 小春
今日は小春日和で、散歩が気持ちいい。
Today is a mild late autumn day, perfect for a walk.
小春日和の午後、公園で本を読んだ。
On a warm autumn afternoon, I read a book in the park.