Summerfield, KS 66541 Frost Dates
66541, near Summerfield, KS: the frost window
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/13, roughly 173 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Summerfield 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
Summerfield'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
04/22 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 05/02 and only about 1 year in 10 sees frost after that.
Summerfield against the rest of the dataset
Summerfield's growing season runs about 173 days, ranking 28,109 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 625 of 745.
Learn more
Two guides worth reading on 66541: zone vs. frost date, on why Zone 6a and Summerfield's frost date answer different questions, and the frost range, on how to read the range around Summerfield's dates instead of trusting one.