Frontenac, KS 66763 Frost Dates
Frost dates for Frontenac, KS, ZIP 66763
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 10/30, about 203 frost-free days later.
The USDA Plant Hardiness Zone Map puts Frontenac in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7a around Frontenac has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Frontenac compares
About 203 days separate Frontenac's last and first frost, putting it 16,920 of 40,283 ZIP codes nationally. Within KS, it ranks 62 of 745.
Learn more
local microclimates explains what one yard in Frontenac can differ from the 66763 normal, and zone vs. frost date explains why Zone 7a and Frontenac's frost date answer different questions.