Sanford, FL 32799 Frost Dates
32799, near Sanford, FL: the frost window
Typically, the last spring freeze lands around 01/24, roughly 149 days out. Fall's first freeze usually shows up around 01/09, roughly 352 days after the last spring frost.
Zone 9b (25 to 30°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 Sanford, not a forecast for this year.
Stretching the season past the first frost
Sanford's growing season runs out in roughly 19 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/24 isn't a guarantee
01/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Sanford against the rest of the dataset
About 352 days separate Sanford's last and first frost, putting it 2,264 of 40,283 ZIP codes nationally. Within FL, it ranks 989 of 1,609.
Learn more
Two guides worth reading on 32799: local microclimates, on what one yard in Sanford can differ from the 32799 normal, and zone vs. frost date, on why Zone 9b and Sanford's frost date answer different questions.