Preston, MO 65732 Frost Dates
Frost dates for Preston, MO, ZIP 65732
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/28, about 204 frost-free days later.
Preston 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 Preston 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.
The actual range around Preston's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 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 Preston compares
Preston's growing season runs about 204 days, ranking 16,780 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 315 of 1,129.
Learn more
the frost range explains how to read the range around Preston's dates instead of trusting one, and local microclimates explains what one yard in Preston can differ from the 65732 normal.