Winchester, KS 66097 Frost Dates
When can you plant in Winchester, KS?
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/22, about 188 frost-free days later.
The USDA Plant Hardiness Zone Map puts Winchester 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
About 8 weeks of growing season left in Winchester before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Winchester's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winchester compares
About 188 days separate Winchester's last and first frost, putting it 22,169 of 40,283 ZIP codes nationally. Within KS, it ranks 360 of 745.
Learn more
zone vs. frost date covers why Zone 6b and Winchester's frost date answer different questions. the frost range covers how to read the range around Winchester's dates instead of trusting one.