unseasonable

Definitions of unseasonable
1

adj not in keeping with (and usually undesirable for) the season

“a sudden unseasonable blizzard”
unseasonable bright blue weather in November”
Antonyms:
seasonable
in keeping with the season

adj badly timed

“you think my intrusion unseasonable
Synonyms:
ill-timed, untimely, wrong
inopportune
not opportune

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