Phillipsburg, KS 67661 Frost Dates
67661, near Phillipsburg, KS: the frost window
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/16, roughly 172 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Phillipsburg, not a forecast for this year.
Stretching the season past the first frost
Phillipsburg'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.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 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.
Phillipsburg against the rest of the dataset
At roughly 172 frost-free days, Phillipsburg places 28,339 of 40,283 ZIP codes in this dataset. Within KS, it ranks 634 of 745.
Learn more
Two guides worth reading on 67661: local microclimates, on what one yard in Phillipsburg can differ from the 67661 normal, and zone vs. frost date, on why Zone 6a and Phillipsburg's frost date answer different questions.