calm and clear spring sky; spring weather pattern
Refers to the gentle, clear sky typical of a calm spring day. Often used in poetic or descriptive contexts.
今日はまさに春日和で、散歩が気持ちいい。
Today is truly a calm and clear spring day, perfect for a walk.
Compound of 春 (spring) and 日和 (calm, fine weather). The reading はるびより is a standard rendaku form.