Montgomery City, MO 63361 Frost Dates
Frost dates for Montgomery City, MO, ZIP 63361
Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 10/23, about 192 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 Montgomery City, not a forecast for this year.
What to do before the first frost
Zone 6b around Montgomery City 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 Montgomery City's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montgomery City compares
Montgomery City's growing season runs about 192 days, ranking 20,366 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 695 of 1,129.
Learn more
the frost range explains how to read the range around Montgomery City's dates instead of trusting one, and local microclimates explains what one yard in Montgomery City can differ from the 63361 normal.