Characteristic or reminiscent of summer; summer-like, summery. Also figurative.

Of, relating to, or resembling summer; characteristic of or appropriate to summer; summer-like.

Characteristic or reminiscent of summer; summery. Also: †of or relating to summer (= summerly, adj. 1) (obsolete).

Summer-like, summery.

Summery, summer-like. Only in the superlative or with modifier (as more, very). Often used humorously or in informal contexts.

(with preceding modifying word) that has been kept during the summer in the specified manner; (also) that has been made summer-like.

Full of summer; summer-like, summery.