Walthourville, GA 31333 Frost Dates
31333, near Walthourville, GA: the frost window
The last spring frost here typically falls around 03/05, about 189 days from today. Fall's first freeze usually shows up around 11/29, roughly 269 days after the last spring frost.
Zone 9a (20 to 25°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 Walthourville, not a forecast for this year.
Stretching the season past the first frost
Walthourville's growing season runs out in roughly 13 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 Walthourville's last frost
03/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/26 and only about 1 year in 10 sees frost after that.
Walthourville against the rest of the dataset
Walthourville's growing season runs about 269 days, ranking 5,673 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 70 of 921.
Learn more
Two guides worth reading on 31333: local microclimates, on what one yard in Walthourville can differ from the 31333 normal, and zone vs. frost date, on why Zone 9a and Walthourville's frost date answer different questions.