Barnes, KS 66933 Frost Dates
Frost dates for Barnes, KS, ZIP 66933
Around 04/24 is the usual last spring frost, about 239 days away. The first fall frost typically arrives around 10/14, about 171 frost-free days later.
The USDA Plant Hardiness Zone Map puts Barnes 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 Barnes 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.
How much risk comes with planting early here
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barnes compares
At roughly 171 frost-free days, Barnes places 28,834 of 40,283 ZIP codes in this dataset. Within KS, it ranks 661 of 745.
Learn more
the frost range explains how to read the range around Barnes's dates instead of trusting one, and local microclimates explains what one yard in Barnes can differ from the 66933 normal.