Winter is traditionally defined by the three coldest months of the year, though the specific timing depends entirely on whether you are looking at the calendar through an astronomical, meteorological, or geographical lens. The Meteorological Definition
. ❄️ Defining the Seasons There are two primary ways to define when winter starts and ends: 📅 Meteorological Winter Meteorologists use the calendar months to group the three coldest months together. This is used for consistent weather record-keeping. Northern Hemisphere: December 1 – February 28 (or 29) Southern Hemisphere: June 1 – August 31 🌎 Astronomical Winter This is defined by the earth's tilt and its position relative to the sun. It begins and ends on specific solar events. Winter Solstice: The shortest day of the year (starts winter). Spring Equinox: When day and night are equal length (ends winter). Dates: Usually starts around what are the months of winter
The specific months of winter depend entirely on whether you measure the season by the temperature cycle () or by the alignment of the Earth with the sun ( astronomical winter ), as well as your geographic hemisphere . Winter is traditionally defined by the three coldest
