Beaumont, MS 39423 Frost Dates
Frost dates for Beaumont, MS, ZIP 39423
Typically, the last spring freeze lands around 03/18, roughly 202 days out. The first fall frost typically arrives around 11/12, about 239 frost-free days later.
The USDA Plant Hardiness Zone Map puts Beaumont in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8b around Beaumont has about 11 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
03/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Beaumont compares
At roughly 239 frost-free days, Beaumont places 8,867 of 40,283 ZIP codes in this dataset. Within MS, it ranks 273 of 523.
Learn more
local microclimates explains what one yard in Beaumont can differ from the 39423 normal, and zone vs. frost date explains why Zone 8b and Beaumont's frost date answer different questions.