Gulfport, MS 39507 Frost Dates
Gulfport, MS: when does the frost end?
Around 02/12 is the usual last spring frost, about 168 days away. Fall's first freeze usually shows up around 12/14, roughly 301 days after the last spring frost.
Gulfport sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 15 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
02/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/11 and only about 1 year in 10 sees frost after that.
Gulfport against the rest of the dataset
Gulfport's growing season runs about 301 days, ranking 3,892 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 1 of 523.
Learn more
Before leaning on 39507's figures: the frost range explains how to read the range around Gulfport's dates instead of trusting one, while local microclimates explains what one yard in Gulfport can differ from the 39507 normal.