Jacksonville, FL 32229 Frost Dates
32229, near Jacksonville, FL: the frost window
The last spring frost here typically falls around 02/01, about 157 days from today. Fall's first freeze usually shows up around 01/05, roughly 330 days after the last spring frost.
Jacksonville sits in USDA Zone 9b (25 to 30°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
Jacksonville'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.
The actual range around Jacksonville's last frost
02/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/31 and only about 1 year in 10 sees frost after that.
Jacksonville against the rest of the dataset
At roughly 330 frost-free days, Jacksonville places 2,977 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,152 of 1,609.
Learn more
Two guides worth reading on 32229: the frost range, on how to read the range around Jacksonville's dates instead of trusting one, and local microclimates, on what one yard in Jacksonville can differ from the 32229 normal.