Sumrall, MS 39482 Frost Dates
Frost dates for Sumrall, MS, ZIP 39482
Around 03/07 is the usual last spring frost, about 191 days away. The first fall frost typically arrives around 11/23, about 261 frost-free days later.
Sumrall sits in USDA Zone 8b (15 to 20°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 8b around Sumrall has about 12 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
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/14 and you're betting against frost in roughly 9 years out of 10. 03/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sumrall compares
About 261 days separate Sumrall's last and first frost, putting it 6,408 of 40,283 ZIP codes nationally. Within MS, it ranks 52 of 523.
Learn more
local microclimates explains what one yard in Sumrall can differ from the 39482 normal, and zone vs. frost date explains why Zone 8b and Sumrall's frost date answer different questions.