Lamar, MO 64759 Frost Dates
Frost dates for Lamar, MO, ZIP 64759
The last spring frost here typically falls around 04/09, about 224 days from today. The first fall frost typically arrives around 10/27, about 199 frost-free days later.
Lamar sits in USDA Zone 7a (0 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 7a around Lamar has about 9 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 Lamar's last frost
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lamar compares
At roughly 199 frost-free days, Lamar places 18,100 of 40,283 ZIP codes in this dataset. Within MO, it ranks 431 of 1,129.
Learn more
the frost range explains how to read the range around Lamar's dates instead of trusting one, and local microclimates explains what one yard in Lamar can differ from the 64759 normal.