abounding in sunshine

a sunny day.

exposed to, lighted, or warmed by the direct rays of the sun

a sunny room.

pertaining to or proceeding from the sun; solar.

resembling the sun.

cheery, cheerful, or joyous

a sunny disposition.

adjective

cloudy , gloomy , rainy , stormy , sorrowful , sullen , unhappy , upset

adjective

brilliant , clarion , cloudless , fine , light , luminous , pleasant , radiant , rainless , shining , shiny , summery , sunlit , sunshiny , unclouded , undarkened , beaming , blithe , buoyant , cheerful , cheery , chirpy , genial , joyful , lighthearted , lightsome , optimistic , smiling , sunbeamy , fair , bright , chipper , happy , clear , golden , merry , vivacious , warm