Randolph, KS 66554 Frost Dates
Frost dates for Randolph, KS, ZIP 66554
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/20, about 179 frost-free days later.
The USDA Plant Hardiness Zone Map puts Randolph in Zone 6a (-10 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 6a around Randolph 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.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Randolph compares
At roughly 179 frost-free days, Randolph places 25,512 of 40,283 ZIP codes in this dataset. Within KS, it ranks 564 of 745.
Learn more
zone vs. frost date explains why Zone 6a and Randolph's frost date answer different questions, and the frost range explains how to read the range around Randolph's dates instead of trusting one.