When Does Winter Start In The Usa Jun 2026

In the United States, the meteorological winter season is defined as December 1 to February 28 (or 29 in leap years). This is the period when the weather is typically coldest and snowiest.

Here's a rough estimate of when winter starts in each state: when does winter start in the usa

The astronomical winter season, also known as the solar winter, begins on the winter solstice, which usually falls on December 21 or 22 in the Northern Hemisphere. This is the shortest day of the year and marks the official start of winter. In the United States, the meteorological winter season

Frustrated by the astronomical calendar’s shifting dates (which made climate data messy to compare), meteorologists and climatologists created a simpler system based on the annual temperature cycle. This is the shortest day of the year

The start of winter can vary significantly depending on the region:

In the United States, two primary systems are used to mark the changing of seasons.

Ultimately, winter isn’t just a date on a clock or a line on a map. It’s a feeling—the first time you see your breath in the air, the first flake that sticks to the ground, or the first night you have to scrape frost off your windshield. By that measure, winter starts exactly when it arrives at your front door.