Mild, warm, and calm weather in late autumn (often referring to an Indian summer-like day around November).
今日はまるで小春日和で、散歩日和だ。
Today feels like an Indian-summer day—perfect for a walk.
11月でも小春日和が続く年もある。
Some years, mild late-autumn weather continues into November.
小春日和に庭の手入れをした。
I tended the garden on a mild autumn day.