Seasons in the Northern Hemisphere - Winter

begins on the Winter Solstice (21 December)

  • shortest day of the year

  • 24 hours of darkness above arctic circle

  • less than 12 hours of daylight everywhere in NH

  • sun angle is 90 at Tropic of Capricorn

ends on the Vernal equinox (20 March)

images adopted from The Atmosphere by F.K. Lutgens and E.J. Tarbuck, 1998 by Prentice-Hall, Inc