Yampa, CO 80483 Frost Dates
80483, near Yampa, CO: the frost window
Around 06/14 is the usual last spring frost, about 290 days away. Fall's first freeze usually shows up around 09/11, roughly 89 days after the last spring frost.
Zone 5a (-20 to -15°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 Yampa, not a forecast for this year.
Stretching the season past the first frost
Yampa's growing season runs out in roughly 2 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Yampa's last frost
06/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 06/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/28 and only about 1 year in 10 sees frost after that.
Yampa against the rest of the dataset
At roughly 89 frost-free days, Yampa places 39,932 of 40,283 ZIP codes in this dataset. Within CO, it ranks 556 of 624.
Learn more
Two guides worth reading on 80483: local microclimates, on what one yard in Yampa can differ from the 80483 normal, and zone vs. frost date, on why Zone 5a and Yampa's frost date answer different questions.