Lenexa, KS 66227 Frost Dates
Frost dates for Lenexa, KS, ZIP 66227
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/22, about 188 frost-free days later.
Lenexa sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Lenexa 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.
The actual range around Lenexa's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 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 Lenexa compares
About 188 days separate Lenexa's last and first frost, putting it 21,828 of 40,283 ZIP codes nationally. Within KS, it ranks 351 of 745.
Learn more
the frost range explains how to read the range around Lenexa's dates instead of trusting one, and local microclimates explains what one yard in Lenexa can differ from the 66227 normal.