His older sister, Maya, swore it started on December 1st. “Meteorological winter,” she said, scrolling through her phone. “Scientists group the coldest months together for records.”
The reason we have two different ways of defining winter comes down to the needs of different professionals—specifically, astronomers and weather scientists. Astronomical Winter vs Meteorological Winter what dates are winter
Understanding Winter Dates: When the Season Officially Begins and Ends His older sister, Maya, swore it started on December 1st
Begins Sunday, June 21, 2026 , and ends September 22, 2026 . His older sister
For most people in the Northern Hemisphere (including North America, Europe, and most of Asia), winter 2026 follows these primary timelines: