썰렁하다: hollow; not lively; not funny (bad joke)
쌀쌀하다: chilly (temporarily, early in the morning late autumn, makes you think of starting wearing jackets)
싸늘하다: things once warm got cold (drinks, corpse); cold attitude; chilly, starting getting to the bones
서늘하다: refreshingly cool, but not very comfortable long term; a little bit frightening.
시원하다: something cold/cool during hot summers; feeling of big relief/schadenfreude; stimulating
선선하다: comfortably chilly throughout the day (early autumn)