Junction City, KS 66441 Frost Dates
66441, near Junction City, KS: the frost window
The last spring frost here typically falls around 04/12, about 227 days from today. Fall's first freeze usually shows up around 10/26, roughly 193 days after the last spring frost.
Zone 6b (-5 to 0°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 Junction City, not a forecast for this year.
Stretching the season past the first frost
Junction City'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
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Junction City against the rest of the dataset
About 193 days separate Junction City's last and first frost, putting it 19,744 of 40,283 ZIP codes nationally. Within KS, it ranks 232 of 745.
Learn more
Two guides worth reading on 66441: the frost range, on how to read the range around Junction City's dates instead of trusting one, and local microclimates, on what one yard in Junction City can differ from the 66441 normal.