Alligator, MS 38669 Frost Dates
38669, near Alligator, MS: the frost window
The last spring frost here typically falls around 03/16, about 200 days from today. Fall's first freeze usually shows up around 11/12, roughly 243 days after the last spring frost.
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 Alligator, not a forecast for this year.
Stretching the season past the first frost
Alligator's growing season runs out in roughly 11 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 Alligator's last frost
03/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/02 and only about 1 year in 10 sees frost after that.
Alligator against the rest of the dataset
Alligator's growing season runs about 243 days, ranking 8,338 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 229 of 523.
Learn more
Two guides worth reading on 38669: local microclimates, on what one yard in Alligator can differ from the 38669 normal, and zone vs. frost date, on why Zone 8b and Alligator's frost date answer different questions.