WordNet sense 1 (devoid of warmth and cordiality; expressive of unfriendliness or disdain):

frigid, frozen, glacial, icy, wintry

WordNet sense 2 (extended meanings; especially of psychological coldness; without human warmth or emotion):

cold

WordNet sense 3 (covered with frost):

rimy, rimed

WordNet sense 4 (pleasantly cold and invigorating):

crisp, nippy, snappy, nipping, parky