Eckley, CO 80727 Frost Dates
80727, near Eckley, CO: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/12, roughly 164 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Eckley, not a forecast for this year.
Stretching the season past the first frost
Eckley'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 Eckley's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Eckley against the rest of the dataset
At roughly 164 frost-free days, Eckley places 31,205 of 40,283 ZIP codes in this dataset. Within CO, it ranks 67 of 624.
Learn more
Two guides worth reading on 80727: zone vs. frost date, on why Zone 5b and Eckley's frost date answer different questions, and the frost range, on how to read the range around Eckley's dates instead of trusting one.