noun
summer
A1
Sommer (der) means “summer.” It’s a masculine noun with plural Sommer (identical form). Declension: der Sommer, die Sommer, genitive des Sommers. Plural unchanged; not irregular but zero plural. Common collocation: im Sommer (in summer). No reflexive or auxiliary issues; used in seasonal contexts.
Examples
Die Firma kündigte an, dass die neue Saison im Sommer begann, weil die Werbung früh verteilt wurde.
The company announced that the new season began in the summer because the advertising was distributed early.
Im Sommer fahren wir ans Meer.
In summer we go to the sea.
Im Sommer fahren wir ans Meer.
In summer we go to the sea.
Details
Mnemonics
Picture a sunny beach and the word 'der Sommer' stamped across it.
Reminds of English 'summer' — same root.
der Sommer — think of a strong 'der' (masculine) sunbather.