1.
summer season, summertime, summer period
The summer season or period, used especially in official, institutional, and formal contexts such as business schedules, school terms, and event planning.
Usage
A formal compound used in institutional and official contexts. In everyday speech, 夏 (summer) is far more common. 夏季 appears in fixed compounds and formal descriptions.
Common collocations
- 夏季休暇: summer vacation (formal)
- 夏季オリンピック: Summer Olympics
- 夏季講習: summer course/training
- 夏季限定: summer-only, summer limited edition
- 夏季営業時間: summer business hours
Similar words
夏季 is the formal term for the summer period. 夏 is the everyday word for summer. The counterpart is 冬季 (winter season).