Fall Freeze Data for Southern Colorado

Are you ready for freezing temperatures? Despite at and above seasonal temperatures over the past few weeks, the end of the growing season is approaching fast across southern Colorado. The following data lists the mean first Fall freeze dates for Alamosa, Colorado Springs, Pueblo, and other select locales across southern Colorado. (data compiled by NCEI and NWS Pueblo)

First 32 Degree or Lower Day in Autumn

	Alamosa	Colorado Springs	Pueblo
Mean Date	September 11th	October 1st	October 8th
Earliest	August 9th, 2009	September 1st, 1911	Sept 9th, 2001, 2020
Latest	October 4th, 1997	October 31st, 1963	November 1st, 1963
Last Year (2023)	September 20th	October 7th	October 14th

	La Junta (LHX)	Lamar	Eads
Mean Date	October 13th	October 7th	October 7th
Earliest	September 21st, 1995	September 7st, 1898	September 9th, 2020
Latest	November 3rd, 1950	November 1st, 1963	November 2nd, 1950
Last Year (2023)	October 14th	October 7th	October 7th

	Walsenburg	Trinidad	Walsh
Mean Date	October 4th	October 6th	October 11th
Earliest	September 3rd, 1934	September 8th, 2020	September 21st, 1995
Latest	November 3rd, 1950	November 8th, 2016	November 6th, 2015
Last Year (2023)	October 7th	October 13th	October 14th

Snow in the Intermountain West; Critical Fire Weather Conditions in the Central U.S.

Fall Freeze Data for Southern Colorado

First 32 Degree or Lower Day in Autumn