Pueblo, CO 81008 Frost Dates
Frost dates for Pueblo, CO, ZIP 81008
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/09, about 161 frost-free days later.
The USDA Plant Hardiness Zone Map puts Pueblo in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Pueblo has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pueblo compares
About 161 days separate Pueblo's last and first frost, putting it 31,929 of 40,283 ZIP codes nationally. Within CO, it ranks 77 of 624.
Learn more
local microclimates explains what one yard in Pueblo can differ from the 81008 normal, and zone vs. frost date explains why Zone 6a and Pueblo's frost date answer different questions.