Fernandina Beach, FL 32034 Frost Dates
Frost dates for Fernandina Beach, FL, ZIP 32034
Typically, the last spring freeze lands around 02/19, roughly 175 days out. The first fall frost typically arrives around 12/14, about 299 frost-free days later.
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 Fernandina Beach, not a forecast for this year.
What to do before the first frost
Zone 9b around Fernandina Beach has about 15 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
02/19 is the middle of 30 years of NOAA records, not a promise. Plant by 01/19 and you're betting against frost in roughly 9 years out of 10. 03/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fernandina Beach compares
Fernandina Beach's growing season runs about 299 days, ranking 4,165 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,332 of 1,609.
Learn more
zone vs. frost date explains why Zone 9b and Fernandina Beach's frost date answer different questions, and the frost range explains how to read the range around Fernandina Beach's dates instead of trusting one.