Walthall, MS 39744 Frost Dates
Frost dates for Walthall, MS, ZIP 39744
The last spring frost here typically falls around 03/30, about 214 days from today. The first fall frost typically arrives around 11/04, about 218 frost-free days later.
The USDA Plant Hardiness Zone Map puts Walthall in Zone 8a (10 to 15°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 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.
How much risk comes with planting early here
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
Walthall's growing season runs about 218 days, ranking 13,357 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 474 of 523.
Learn more
zone vs. frost date explains why Zone 8a and Walthall's frost date answer different questions, and the frost range explains how to read the range around Walthall's dates instead of trusting one.