Colorado Springs, CO 80970 Frost Dates
When can you plant in Colorado Springs, CO?
Typically, the last spring freeze lands around 05/03, roughly 248 days out. The first fall frost typically arrives around 10/08, about 158 frost-free days later.
Colorado Springs 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.
What to do before the first frost
About 6 weeks of growing season left in Colorado Springs before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Colorado Springs's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Colorado Springs compares
At roughly 158 frost-free days, Colorado Springs places 32,843 of 40,283 ZIP codes in this dataset. Within CO, it ranks 158 of 624.
Learn more
local microclimates covers what one yard in Colorado Springs can differ from the 80970 normal. zone vs. frost date covers why Zone 6a and Colorado Springs's frost date answer different questions.