Walthall, MS 39771 Frost Dates
Frost dates for Walthall, MS, ZIP 39771
Around 03/30 is the usual last spring frost, about 214 days away. The first fall frost typically arrives around 11/04, about 218 frost-free days later.
Zone 8a (10 to 15°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 Walthall, not a forecast for this year.
What to do before the first frost
Zone 8a around Walthall has about 10 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 Walthall's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Walthall compares
About 218 days separate Walthall's last and first frost, putting it 13,358 of 40,283 ZIP codes nationally. Within MS, it ranks 475 of 523.
Learn more
local microclimates explains what one yard in Walthall can differ from the 39771 normal, and zone vs. frost date explains why Zone 8a and Walthall's frost date answer different questions.