Colorado Springs, CO 80997 Frost Dates
Colorado Springs, CO: when does the frost end?
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/08, roughly 158 days after the last spring frost.
Colorado Springs sits in USDA Zone 5b (-15 to -10°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
With roughly 6 weeks until Colorado Springs's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Colorado Springs against the rest of the dataset
At roughly 158 frost-free days, Colorado Springs places 32,846 of 40,283 ZIP codes in this dataset. Within CO, it ranks 161 of 624.
Learn more
Before leaning on 80997's figures: zone vs. frost date explains why Zone 5b and Colorado Springs's frost date answer different questions, while the frost range explains how to read the range around Colorado Springs's dates instead of trusting one.