Unseasonable

прилагательное 1) несвоевременный, неуместный; неурочный Например: unseasonable hour — неурочный час Синоним(ы): untimely, inopportune 2) не по сезону

Большой англо-русский словарь

Unseasonable

adjective 1. occurring at other than the proper time; untimely 2. not being in season 3. a. not normal for the season of the year Example: unseasonable weather b. marked by unseasonable weather Example: an unseasonable summerunseasonableness noununseasonably adverb

Merriam-Webster's Collegiate Dictionary