Brownell, KS 67521 Frost Dates
Frost dates for Brownell, KS, ZIP 67521
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/13, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brownell in Zone 6a (-10 to -5°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
Zone 6a around Brownell has about 7 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 Brownell's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brownell compares
At roughly 167 frost-free days, Brownell places 30,257 of 40,283 ZIP codes in this dataset. Within KS, it ranks 697 of 745.
Learn more
local microclimates explains what one yard in Brownell can differ from the 67521 normal, and zone vs. frost date explains why Zone 6a and Brownell's frost date answer different questions.