FrostDateCheck

Reading, KS 66868 Frost Dates

Frost dates for Reading, KS, ZIP 66868

Zone 6b

Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/26, about 194 frost-free days later.

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 Reading, not a forecast for this year.

What to do before the first frost

Zone 6b around Reading 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

04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Reading compares

About 194 days separate Reading's last and first frost, putting it 19,635 of 40,283 ZIP codes nationally. Within KS, it ranks 226 of 745.

Learn more

the frost range explains how to read the range around Reading's dates instead of trusting one, and local microclimates explains what one yard in Reading can differ from the 66868 normal.