Brookhaven, MS 39602 Frost Dates
39602, near Brookhaven, MS: the frost window
Typically, the last spring freeze lands around 03/17, roughly 201 days out. Fall's first freeze usually shows up around 11/12, roughly 242 days after the last spring frost.
Brookhaven sits in USDA Zone 8b (15 to 20°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
Brookhaven'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 Brookhaven's last frost
03/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.
Brookhaven against the rest of the dataset
At roughly 242 frost-free days, Brookhaven places 8,359 of 40,283 ZIP codes in this dataset. Within MS, it ranks 233 of 523.
Learn more
Two guides worth reading on 39602: local microclimates, on what one yard in Brookhaven can differ from the 39602 normal, and zone vs. frost date, on why Zone 8b and Brookhaven's frost date answer different questions.