FrostDateCheck

Perryville, MO 63746 Frost Dates

Frost dates for Perryville, MO, ZIP 63746

Zone 7a

Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/20, about 182 frost-free days later.

Perryville sits in USDA Zone 7a (0 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 7a around Perryville 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.

How much risk comes with planting early here

04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Perryville compares

Perryville's growing season runs about 182 days, ranking 24,105 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 967 of 1,129.

Learn more

the frost range explains how to read the range around Perryville's dates instead of trusting one, and local microclimates explains what one yard in Perryville can differ from the 63746 normal.