Otterville, MO 65348 Frost Dates
Frost dates for Otterville, MO, ZIP 65348
The last spring frost here typically falls around 04/10, about 225 days from today. The first fall frost typically arrives around 10/26, about 197 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 Otterville, not a forecast for this year.
What to do before the first frost
Zone 6b around Otterville 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
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 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 Otterville compares
About 197 days separate Otterville's last and first frost, putting it 18,796 of 40,283 ZIP codes nationally. Within MO, it ranks 557 of 1,129.
Learn more
local microclimates explains what one yard in Otterville can differ from the 65348 normal, and zone vs. frost date explains why Zone 6b and Otterville's frost date answer different questions.