Pueblo, CO 81012 Frost Dates
81012, near Pueblo, CO: the frost window
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/09, roughly 161 days after the last spring frost.
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.
Stretching the season past the first frost
Pueblo's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Pueblo's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Pueblo against the rest of the dataset
About 161 days separate Pueblo's last and first frost, putting it 31,933 of 40,283 ZIP codes nationally. Within CO, it ranks 81 of 624.
Learn more
Two guides worth reading on 81012: the frost range, on how to read the range around Pueblo's dates instead of trusting one, and local microclimates, on what one yard in Pueblo can differ from the 81012 normal.