Synonyms and related words :
aestival, arctic, ardent, autumn, autumnal, baking, blistering, boiling, boreal, broiling, brumal, burning, burning hot, ebullient, equinoctial, feverish, flushed, grilling, heated, hibernal, hiemal, hot, hot as fire, hot as hell, like a furnace, like an oven, midsummer, midwinter, out of season, overheated, overwarm, parching, piping hot, red-hot, roasting, scalding, scorching, searing, seasonal, seething, simmering, sizzling hot, smoking hot, solstitial, spring, springlike, sudorific, summer, summerlike, summerly, summery, sweating, sweaty, sweltering, sweltry, toasting, torrid, vernal, white-hot, winter, winterlike, wintery, wintry