Wetmore, KS 66550 Frost Dates
66550, near Wetmore, KS: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/14, roughly 172 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wetmore in Zone 6a (-10 to -5°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
Wetmore'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
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Wetmore against the rest of the dataset
At roughly 172 frost-free days, Wetmore places 28,475 of 40,283 ZIP codes in this dataset. Within KS, it ranks 638 of 745.
Learn more
Two guides worth reading on 66550: the frost range, on how to read the range around Wetmore's dates instead of trusting one, and local microclimates, on what one yard in Wetmore can differ from the 66550 normal.