North Newton, KS 67117 Frost Dates
67117, near North Newton, KS: the frost window
Typically, the last spring freeze lands around 04/14, roughly 229 days out. Fall's first freeze usually shows up around 10/25, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Newton in Zone 6b (-5 to 0°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
North Newton's growing season runs out in roughly 8 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
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
North Newton against the rest of the dataset
North Newton's growing season runs about 193 days, ranking 19,962 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 237 of 745.
Learn more
Two guides worth reading on 67117: zone vs. frost date, on why Zone 6b and North Newton's frost date answer different questions, and the frost range, on how to read the range around North Newton's dates instead of trusting one.