winterish

/ˈwɪntərɪʃ/
adjective
  1. Somewhat like winter; having qualities of winter, such as coldness, darkness, or bleakness.
    • The weather today is winterish, with a chilly wind and gray clouds.
    • She wore a heavy coat because the morning felt winterish even though it was still autumn.
    • The landscape looked winterish after the first dusting of snow.