Gulfport, MS 39503 Frost Dates
Gulfport, MS: when does the frost end?
Typically, the last spring freeze lands around 02/23, roughly 179 days out. Fall's first freeze usually shows up around 12/03, roughly 287 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Gulfport in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 14 weeks until Gulfport's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
02/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/16 and only about 1 year in 10 sees frost after that.
Gulfport against the rest of the dataset
About 287 days separate Gulfport's last and first frost, putting it 4,571 of 40,283 ZIP codes nationally. Within MS, it ranks 10 of 523.
Learn more
Before leaning on 39503's figures: zone vs. frost date explains why Zone 9a and Gulfport's frost date answer different questions, while the frost range explains how to read the range around Gulfport's dates instead of trusting one.