summer sky; summery weather; clear blazing summer weather
Evokes the bright, expansive sky of summer, often with a sense of heat and clarity.
Children are playing under the summer sky.
今日はまさに夏空が広がっている。
Today, a true summer sky stretches out.
Compound of 夏 (natsu, 'summer') and 空 (sora, 'sky'), with rendaku voicing of そら to ぞら.