Two Buttes, CO 81084 Frost Dates
81084, near Two Buttes, CO: the frost window
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/14, roughly 166 days after the last spring frost.
Two Buttes sits in USDA Zone 6b (-5 to 0°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
Two Buttes's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Two Buttes against the rest of the dataset
At roughly 166 frost-free days, Two Buttes places 30,469 of 40,283 ZIP codes in this dataset. Within CO, it ranks 36 of 624.
Learn more
Two guides worth reading on 81084: the frost range, on how to read the range around Two Buttes's dates instead of trusting one, and local microclimates, on what one yard in Two Buttes can differ from the 81084 normal.