the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox
The season between autumn and spring. It lasts from the winter solstice until the vernal equinox.
the period extending from the winter solstice, about 22 December, to the vernal equinox, about 21 March
Astronomically, between the winter solstice and vernal equinox in the Northern Hemisphere, and the summer solstice and autumnal equinox in the Southern Hemisphere; the coldest season of the year; the "low sun" season during which the sun is over the opposite hemisphere; the "hibernal" season. Popularly and for most meteorological purposes, winter is taken to include December, January, and February in the Northern Hemisphere, and in the Southern Hemisphere, June, July, and August; the opposite of summer. 2. See Blackthorn winter.
a season that begins around December 21 in the Northern Hemisphere
Astronomically, this is the period between the winter solstice and the vernal equinox. It is characterized as having the coldest temperatures of the year, when the sun is primarily over the opposite hemisphere. Customarily, this refers to the months of December, January, and February in the North Hemisphere, and the months of June, July, and August in the Southern Hemisphere.
Winter is one of the four seasons of temperate zones. It is the season with the coldest days and the lowest temperatures. In areas further away from the equator, winter is often marked by cold weather.