D'Iberville, MS 39540 Frost Dates
39540, near D'Iberville, MS: the frost window
The last spring frost here typically falls around 02/12, about 168 days from today. Fall's first freeze usually shows up around 12/14, roughly 301 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts D'Iberville 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
D'Iberville's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around D'Iberville's last frost
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.
D'Iberville against the rest of the dataset
About 301 days separate D'Iberville's last and first frost, putting it 3,962 of 40,283 ZIP codes nationally. Within MS, it ranks 6 of 523.
Learn more
Two guides worth reading on 39540: zone vs. frost date, on why Zone 9a and D'Iberville's frost date answer different questions, and the frost range, on how to read the range around D'Iberville's dates instead of trusting one.