Winter officially begins on December 21st, continues through January and February, and ends on March 21st.
Anywhere from October to about late MArch can be considered winter
Part of December all of January and February and part of March
Session is a noun.
The third month of winter is typically February.
In December 21st, that is to say in the same month winter starts in northern part of the world.
The first winter month is December.
August is the last month of winter in Australia. Winter is June, July and August.
autum wintery in autum or winter about/around there
Winter 1778
Fall and Winter
February is a Winter month.
Winter starts on December 21, so December is an autumn and winter month.