Deer Trail, CO 80105 Frost Dates
Deer Trail, CO: when does the frost end?
The last spring frost here typically falls around 05/13, about 258 days from today. Fall's first freeze usually shows up around 10/02, roughly 142 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Deer Trail, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Deer Trail'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
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/30 and only about 1 year in 10 sees frost after that.
Deer Trail against the rest of the dataset
At roughly 142 frost-free days, Deer Trail places 36,756 of 40,283 ZIP codes in this dataset. Within CO, it ranks 397 of 624.
Learn more
Before leaning on 80105's figures: zone vs. frost date explains why Zone 5b and Deer Trail's frost date answer different questions, while the frost range explains how to read the range around Deer Trail's dates instead of trusting one.