FrostDateCheck

Duenweg, MO 64841 Frost Dates

Frost dates for Duenweg, MO, ZIP 64841

Zone 7a

Around 04/09 is the usual last spring frost, about 224 days away. The first fall frost typically arrives around 10/27, about 200 frost-free days later.

Zone 7a (0 to 5°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 Duenweg, not a forecast for this year.

What to do before the first frost

Zone 7a around Duenweg has about 9 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

04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Duenweg compares

Duenweg's growing season runs about 200 days, ranking 17,811 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 394 of 1,129.

Learn more

local microclimates explains what one yard in Duenweg can differ from the 64841 normal, and zone vs. frost date explains why Zone 7a and Duenweg's frost date answer different questions.