Jameson, MO 64654 Frost Dates
Frost dates for Jameson, MO, ZIP 64654
The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/21, about 184 frost-free days later.
Jameson sits in USDA Zone 6a (-10 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 6a around Jameson 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 04/05 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jameson compares
At roughly 184 frost-free days, Jameson places 23,692 of 40,283 ZIP codes in this dataset. Within MO, it ranks 946 of 1,129.
Learn more
the frost range explains how to read the range around Jameson's dates instead of trusting one, and local microclimates explains what one yard in Jameson can differ from the 64654 normal.