Cokedale, CO 81024 Frost Dates
81024, near Cokedale, CO: the frost window
Around 05/11 is the usual last spring frost, about 256 days away. Fall's first freeze usually shows up around 10/04, roughly 145 days after the last spring frost.
Cokedale sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Cokedale's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/11 isn't a guarantee
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Cokedale against the rest of the dataset
At roughly 145 frost-free days, Cokedale places 36,301 of 40,283 ZIP codes in this dataset. Within CO, it ranks 371 of 624.
Learn more
Two guides worth reading on 81024: zone vs. frost date, on why Zone 6a and Cokedale's frost date answer different questions, and the frost range, on how to read the range around Cokedale's dates instead of trusting one.