Gloster, MS 39638 Frost Dates
39638, near Gloster, MS: the frost window
Typically, the last spring freeze lands around 03/25, roughly 209 days out. Fall's first freeze usually shows up around 11/08, roughly 230 days after the last spring frost.
Gloster 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
Gloster's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/25 isn't a guarantee
03/25 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 04/15 and only about 1 year in 10 sees frost after that.
Gloster against the rest of the dataset
Gloster's growing season runs about 230 days, ranking 10,446 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 382 of 523.
Learn more
Two guides worth reading on 39638: zone vs. frost date, on why Zone 8b and Gloster's frost date answer different questions, and the frost range, on how to read the range around Gloster's dates instead of trusting one.