unseasonably
🇺🇸
/ʌnˈsiːznəbli/
🇬🇧
/ʌnˈsiːznəbli/
adverb
R
occurring or done at a time that is not typical for the season
It was unseasonably warm for December, so we decided to have a picnic outside.
translation
occurring or done at a time that is not typical for the season