Plant By Frost

Colorado

Frost dates for Cedaredge 3E, CO

At this NOAA station the last spring frost (32°F) usually comes by May 3 and the first fall frost around October 9, giving a growing season of about 156 days.

May 3average last spring frost
October 9average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanMay 21
Half of years the last spring frost is later thanMay 3
9 years in 10 the last spring frost is later thanApril 22
1 year in 10 the first fall frost is earlier thanSeptember 27
Half of years the first fall frost is earlier thanOctober 9
9 years in 10 the first fall frost is earlier thanOctober 24

A hard freeze (28°F) usually ends by April 25 and returns around October 19.

A light frost (36°F, which can still nip tender plants) usually ends by May 18 and returns around October 2.

Station USC00051443, elevation 2084 m. Based on 23 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

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Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026