Hillsboro, KS 67063 Frost Dates
Frost dates for Hillsboro, KS, ZIP 67063
Around 04/08 is the usual last spring frost, about 223 days away. The first fall frost typically arrives around 10/30, about 202 frost-free days later.
Hillsboro 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 Hillsboro has about 9 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 Hillsboro's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hillsboro compares
About 202 days separate Hillsboro's last and first frost, putting it 17,246 of 40,283 ZIP codes nationally. Within KS, it ranks 95 of 745.
Learn more
local microclimates explains what one yard in Hillsboro can differ from the 67063 normal, and zone vs. frost date explains why Zone 6b and Hillsboro's frost date answer different questions.