Carrollton, MO 64633 Frost Dates
Frost dates for Carrollton, MO, ZIP 64633
The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 10/23, about 187 frost-free days later.
Zone 6a (-10 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 Carrollton, not a forecast for this year.
What to do before the first frost
Zone 6a around Carrollton 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 Carrollton's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Carrollton compares
At roughly 187 frost-free days, Carrollton places 22,372 of 40,283 ZIP codes in this dataset. Within MO, it ranks 836 of 1,129.
Learn more
local microclimates explains what one yard in Carrollton can differ from the 64633 normal, and zone vs. frost date explains why Zone 6a and Carrollton's frost date answer different questions.