Adjectives

(s)frigid, frosty, frozen, glacial, icy, wintrydevoid of warmth and cordiality; expressive of unfriendliness or disdain“a frigid greeting”, “got a frosty reception”, “a frozen look on their faces”, “a glacial handshake”, “icy stare”, “wintry smile”
(s)frosty, rimed, rimycovered with frost“a frosty glass”, “hedgerows were rimed and stiff with frost” (Wm.Faulkner)
(s)crisp, frosty, nipping, nippy, snappypleasantly cold and invigorating“crisp clear nights and frosty mornings”, “a nipping wind”, “a nippy fall day”, “snappy weather”