Mapleton, KS 66754 Frost Dates
Frost dates for Mapleton, KS, ZIP 66754
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/22, about 188 frost-free days later.
Mapleton 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 Mapleton 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 Mapleton's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mapleton compares
At roughly 188 frost-free days, Mapleton places 22,239 of 40,283 ZIP codes in this dataset. Within KS, it ranks 365 of 745.
Learn more
the frost range explains how to read the range around Mapleton's dates instead of trusting one, and local microclimates explains what one yard in Mapleton can differ from the 66754 normal.