FrostDateCheck

Jetmore, KS 67854 Frost Dates

Frost dates for Jetmore, KS, ZIP 67854

Zone 6b

Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/20, about 179 frost-free days later.

Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Jetmore, not a forecast for this year.

What to do before the first frost

Zone 6b around Jetmore 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.

The actual range around Jetmore's last frost

04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jetmore compares

Jetmore's growing season runs about 179 days, ranking 25,416 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 558 of 745.

Learn more

local microclimates explains what one yard in Jetmore can differ from the 67854 normal, and zone vs. frost date explains why Zone 6b and Jetmore's frost date answer different questions.