winter

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winter in the southern Ural Mountains

What causes the seasons?

Understand how the tilted rotation of Earth's axis gives more prominent full moon in winter than in summer

Small squirrel peeking out of a snowy bank, with a blue circle surrounding it.

What is the significance of the winter solstice?

winter: Facts & Related Content

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Last Updated: Dec 21, 2025

News •

Winter officially begins Sunday. How much snow should NYC expect? • Dec. 20, 2025, 3:03 AM ET (CBS)

'Winter's finally here': Icy roads reported in southern Saskatchewan | CBC News • Dec. 10, 2025, 1:04 AM ET (CBC)

Winter's first big snowstorm hits the Northeast as schools close and traffic slows • Dec. 2, 2025, 6:11 PM ET (AP)

Facts

Also Known As	hiemal period

Photos and Videos

winter in the southern Ural Mountains

What causes the seasons?

Understand how the tilted rotation of Earth's axis gives more prominent full moon in winter than in summer

Small squirrel peeking out of a snowy bank, with a blue circle surrounding it.

What is the significance of the winter solstice?

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Topics

Why Is Summer Warmer Than Winter?calendar polar vortex volcanic winter nuclear winter year winter solstice season autumn summer spring monsoon Why Do We Have Seasons?

Iceland, Glacier lagoon (Jokulsarlon)

Winter Weather Words Quiz