dismal -
causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
cheerless,
depressing,
uncheerful causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place"