Wiggins, CO 80652 Frost Dates
80652, near Wiggins, CO: the frost window
Around 05/06 is the usual last spring frost, about 251 days away. Fall's first freeze usually shows up around 10/06, roughly 153 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wiggins in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Wiggins's growing season runs out in roughly 6 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 Wiggins's last frost
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Wiggins against the rest of the dataset
Wiggins's growing season runs about 153 days, ranking 34,548 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 277 of 624.
Learn more
Two guides worth reading on 80652: local microclimates, on what one yard in Wiggins can differ from the 80652 normal, and zone vs. frost date, on why Zone 5b and Wiggins's frost date answer different questions.