Qué es winter? Qué es winter? The usually coldest season of the year, occurring between autumn and spring, extending in the Northern Hemisphere from the winter solstice to the vernal equinox, and popularly considered to be constituted by December, January, and February.A year as expressed through the recurrence of the winter season.A period of time characterized by coldness, misery, barrenness, or death. Of, relating to, occurring in, or appropriate to the season of winter: winter blizzards; winter attire. Grown during the season of winter: winter herbs. To spend the winter: wintered in Arizona. To feed in winter. Used with on: deer wintering on cedar bark. To lodge, keep, or care for during the winter: wintering the sheep in the stable.