Clearmont, WY 59062 Frost Dates
59062, near Clearmont, WY: the frost window
Typically, the last spring freeze lands around 05/25, roughly 270 days out. Fall's first freeze usually shows up around 09/19, roughly 115 days after the last spring frost.
Clearmont sits in USDA Zone 5a (-20 to -15°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
Clearmont's growing season runs out in roughly 3 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
05/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/07 and only about 1 year in 10 sees frost after that.
Clearmont against the rest of the dataset
At roughly 115 frost-free days, Clearmont places 39,343 of 40,283 ZIP codes in this dataset. Within WY, it ranks 122 of 192.
Learn more
Two guides worth reading on 59062: the frost range, on how to read the range around Clearmont's dates instead of trusting one, and local microclimates, on what one yard in Clearmont can differ from the 59062 normal.