When Is Winter In United States < 2026 Edition >

| Definition | Start Date | End Date | | :--- | :--- | :--- | | | December 1 | February 28/29 | | Astronomical | ~December 21 | ~March 20 |

In the United States, winter is typically defined as the period from December to February, with the exact dates varying depending on the region. Meteorologists and climatologists often consider winter to begin on December 21 or 22 in the Northern Hemisphere, marking the winter solstice. This date marks the shortest day of the year and the official start of winter. when is winter in united states

The winter solstice marks the day with the shortest period of daylight and the longest night of the year. In the U.S., this usually occurs on December 21st or 22nd . From this day forward, the days begin to get longer again. | Definition | Start Date | End Date

The United States is a large and geographically diverse country, with varying climates and weather patterns. The winter season can differ significantly across different regions: The winter solstice marks the day with the

In the northern tier of the U.S., winter often arrives early and stays late.