Westcliffe, CO 81232 Frost Dates
When can you plant in Westcliffe, CO?
Typically, the last spring freeze lands around 06/11, roughly 287 days out. The first fall frost typically arrives around 09/09, about 89 frost-free days later.
The USDA Plant Hardiness Zone Map puts Westcliffe in Zone 5b (-15 to -10°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
About 2 weeks of growing season left in Westcliffe before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Westcliffe's last frost
06/11 is the middle of 30 years of NOAA records, not a promise. Plant by 05/29 and you're betting against frost in roughly 9 years out of 10. 06/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Westcliffe compares
At roughly 89 frost-free days, Westcliffe places 39,926 of 40,283 ZIP codes in this dataset. Within CO, it ranks 552 of 624.
Learn more
zone vs. frost date covers why Zone 5b and Westcliffe's frost date answer different questions. the frost range covers how to read the range around Westcliffe's dates instead of trusting one.