Noun summer Traditionally the second of the four seasons, typically regarded as being from June 21 to September 20 in Northern Hemisphere regions and from December 21 to March 20 in Southern Hemisphere regions. Usually marked by the applicable hemisphere of the planet being at its maximum angle of exposure to the Sun resulting in the longest days of the year and typically the time period with the highest atmospheric temperatures for the region. Antonyms winter Related terms summertime summery summer solstice indian summer Translations Albanian: verë Basque: uda Breton: hañv m -où Croatian: ljeto Dutch: zomer m Esperanto: somero Finnish: kesä French: été m Frisian: simmer German: Sommer m Hebrew: קיץ (KAH-yitz) Indonesian: musim panas Interlingua: estate Japanese: 夏 (なつ, natsu) Korean: 여름 (yeoreum) Māori: raumati Polish: lato Portuguese: verão Russian: лето Spanish: verano m Swedish: sommar Welsh: Haf Yiddish: זומער (ZOOM-mer)