Mound City, KS 66056 Frost Dates
Frost dates for Mound City, KS, ZIP 66056
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/23, about 192 frost-free days later.
Mound City 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 Mound City 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.
Why 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 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 Mound City compares
About 192 days separate Mound City's last and first frost, putting it 20,510 of 40,283 ZIP codes nationally. Within KS, it ranks 257 of 745.
Learn more
the frost range explains how to read the range around Mound City's dates instead of trusting one, and local microclimates explains what one yard in Mound City can differ from the 66056 normal.