1) Badly timed 2) Being out of season 3) Ill-timed 4) Inopportune 5) Not befitting the occasion 6) Not seasonable 7) Untimely 1) Inopportune 2) Untimely 
• (a.) Not seasonable; being, done, or occurring out of the proper season; ill-timed; untimely; too early or too late; as, he called at an unseasonable hour; unseasonable advice; unseasonable frosts; unseasonable food.
[adj] - not in keeping with (and usually undesirable for) the season
adjective not in keeping with (and usually undesirable for) the season; `a sudden unseasonable blizzard`; `unseasonable bright blue weather in November`
not seasonable; being out of season; unseasonal: unseasonable weather. · not befitting the occasion; untimely; ill-timed; inopportune; inappropriate: Their visits were usually unseasonable.
not in keeping with (and usually undesirable for) the season