Sewall's Point, FL 34996 Frost Dates
34996, near Sewall's Point, FL: the frost window
The last spring frost here typically falls around 01/23, about 148 days from today. Fall's first freeze usually shows up around 01/18, roughly 365 days after the last spring frost.
Zone 10b (35 to 40°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 Sewall's Point, not a forecast for this year.
Stretching the season past the first frost
Sewall's Point's growing season runs out in roughly 20 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 Sewall's Point's last frost
01/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/10 and only about 1 year in 10 sees frost after that.
Sewall's Point against the rest of the dataset
About 365 days separate Sewall's Point's last and first frost, putting it 1,951 of 40,283 ZIP codes nationally. Within FL, it ranks 865 of 1,609.
Learn more
Two guides worth reading on 34996: local microclimates, on what one yard in Sewall's Point can differ from the 34996 normal, and zone vs. frost date, on why Zone 10b and Sewall's Point's frost date answer different questions.