Wellsville, KS 66092 Frost Dates
Frost dates for Wellsville, KS, ZIP 66092
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/20, about 183 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wellsville in Zone 6b (-5 to 0°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 6b around Wellsville has about 8 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.
How much risk comes with planting early here
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wellsville compares
At roughly 183 frost-free days, Wellsville places 23,882 of 40,283 ZIP codes in this dataset. Within KS, it ranks 439 of 745.
Learn more
local microclimates explains what one yard in Wellsville can differ from the 66092 normal, and zone vs. frost date explains why Zone 6b and Wellsville's frost date answer different questions.