National Weather Service United States Department of Commerce
 

Alamosa Freeze Data

  • Average Date of First Freeze..........September 11th
  • Earliest First Freeze.....................................August 9th, 2009
  • Average Date of Last Freeze.....................June 8th
  • Latest Freeze of the Season.....................July 2nd, 1997

Colorado Springs Freeze Data

  • Average Date of First Freeze..............October 1st
  • Earliest First Freeze............................September 1st, 1911
  • Average Date of Last Freeze...............May 8th
  • Latest Freeze of the Season...............June 18th, 1912

Pueblo Freeze Data

  • Average Date of First Freeze................October 8th
  • Earliest First Freeze.......................................September 9th, 2001
  • Average Date of Last Freeze.......................April 30th
  • Latest Freeze of the Season.......................June 2nd, 1919

 

(compiled using NWS Observation Data) Current through 2011