So, when does winter start in the USA? The answer depends on context. If you are checking a calendar for a solstice celebration, winter begins around December 21. If you are analyzing climate data or planning for heating bills, winter starts December 1. And if you live in northern Minnesota, winter starts when the lake freezes—often weeks earlier than either definition.
are fixed. For weather statisticians analyzing data, having a season start on the 21st one year and the 22nd the next makes calculating "seasonal averages" messy. By locking seasons into full months, meteorologists can easily compare this winter's snowfall to the winters of the 1980s or 1950s. when does winter start usa
Overall, while the exact start date of winter may vary depending on the region and definition, December 21 or 22 is generally considered the beginning of winter in the United States. So, when does winter start in the USA
The contiguous United States (the "lower 48" states) experiences a relatively consistent start to winter, with December 21 or 22 marking the beginning of the season. However: If you are analyzing climate data or planning