Cañon City, CO 81215 Frost Dates
Cañon City, CO: when does the frost end?
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/07, roughly 153 days after the last spring frost.
Cañon City 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
With roughly 6 weeks until Cañon City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Cañon City's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Cañon City against the rest of the dataset
Cañon City's growing season runs about 153 days, ranking 34,489 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 271 of 624.
Learn more
Before leaning on 81215's figures: zone vs. frost date explains why Zone 6a and Cañon City's frost date answer different questions, while the frost range explains how to read the range around Cañon City's dates instead of trusting one.