When Is The First Day Of Winter 2025 Usa. According to the old farmer's almanac, the first day of winter is saturday, dec. The first measurable snow usually happens in october or earlier for parts of the nation's northern tier and mountain west.

Sat, november 16, 2025, 6:53 am est · 1. The 2025 december solstice takes place on december 21, at 9:21 utc.