Purvis, MS 39407 Frost Dates
Frost dates for Purvis, MS, ZIP 39407
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.
Zone 8b (15 to 20°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 Purvis, not a forecast for this year.
What to do before the first frost
Zone 8b around Purvis 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 Purvis compares
Purvis's growing season runs about 261 days, ranking 6,416 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 57 of 523.
Learn more
the frost range explains how to read the range around Purvis's dates instead of trusting one, and local microclimates explains what one yard in Purvis can differ from the 39407 normal.