Worthington, MO 63567 Frost Dates
Frost dates for Worthington, MO, ZIP 63567
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/14, about 169 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 Worthington, not a forecast for this year.
What to do before the first frost
Zone 6a around Worthington has about 7 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
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Worthington compares
At roughly 169 frost-free days, Worthington places 29,632 of 40,283 ZIP codes in this dataset. Within MO, it ranks 1,104 of 1,129.
Learn more
local microclimates explains what one yard in Worthington can differ from the 63567 normal, and zone vs. frost date explains why Zone 6a and Worthington's frost date answer different questions.