Craig, CO 81626 Frost Dates
81626, near Craig, CO: the frost window
The last spring frost here typically falls around 06/06, about 282 days from today. Fall's first freeze usually shows up around 09/12, roughly 96 days after the last spring frost.
Zone 4a (-30 to -25°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 Craig, not a forecast for this year.
Stretching the season past the first frost
Craig'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 Craig's last frost
06/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/24 and only about 1 year in 10 sees frost after that.
Craig against the rest of the dataset
Craig's growing season runs about 96 days, ranking 39,790 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 535 of 624.
Learn more
Two guides worth reading on 81626: the frost range, on how to read the range around Craig's dates instead of trusting one, and local microclimates, on what one yard in Craig can differ from the 81626 normal.