Fort Pierce, FL 34947 Frost Dates
34947, near Fort Pierce, FL: the frost window
The last spring frost here typically falls around 01/24, about 149 days from today. Fall's first freeze usually shows up around 01/14, roughly 365 days after the last spring frost.
Fort Pierce sits in USDA Zone 10a (30 to 35°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
Fort Pierce'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 Fort Pierce's last frost
01/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/21 and only about 1 year in 10 sees frost after that.
Fort Pierce against the rest of the dataset
Fort Pierce's growing season runs about 365 days, ranking 884 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 360 of 1,609.
Learn more
Two guides worth reading on 34947: local microclimates, on what one yard in Fort Pierce can differ from the 34947 normal, and zone vs. frost date, on why Zone 10a and Fort Pierce's frost date answer different questions.