Jennings, KS 67643 Frost Dates
Frost dates for Jennings, KS, ZIP 67643
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/11, about 163 frost-free days later.
Jennings sits in USDA Zone 6a (-10 to -5°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 6a around Jennings has about 6 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 04/30 isn't a guarantee
04/30 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. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jennings compares
About 163 days separate Jennings's last and first frost, putting it 31,552 of 40,283 ZIP codes nationally. Within KS, it ranks 717 of 745.
Learn more
zone vs. frost date explains why Zone 6a and Jennings's frost date answer different questions, and the frost range explains how to read the range around Jennings's dates instead of trusting one.