Gulfport, MS 39535 Frost Dates
Frost dates for Gulfport, MS, ZIP 39535
Around 02/23 is the usual last spring frost, about 179 days away. The first fall frost typically arrives around 12/03, about 287 frost-free days later.
Zone 9a (20 to 25°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 Gulfport, not a forecast for this year.
What to do before the first frost
Zone 9a around Gulfport has about 14 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.
Why 02/23 isn't a guarantee
02/23 is the middle of 30 years of NOAA records, not a promise. Plant by 01/25 and you're betting against frost in roughly 9 years out of 10. 03/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gulfport compares
At roughly 287 frost-free days, Gulfport places 4,576 of 40,283 ZIP codes in this dataset. Within MS, it ranks 15 of 523.
Learn more
local microclimates explains what one yard in Gulfport can differ from the 39535 normal, and zone vs. frost date explains why Zone 9a and Gulfport's frost date answer different questions.