St. Augustine Beach, FL 32086 Frost Dates
Frost dates for St. Augustine Beach, FL, ZIP 32086
Around 02/01 is the usual last spring frost, about 157 days away. The first fall frost typically arrives around 01/05, about 334 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 St. Augustine Beach, not a forecast for this year.
What to do before the first frost
Zone 9b around St. Augustine Beach has about 19 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.
The actual range around St. Augustine Beach's last frost
02/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/03 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How St. Augustine Beach compares
St. Augustine Beach's growing season runs about 334 days, ranking 2,799 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,111 of 1,609.
Learn more
zone vs. frost date explains why Zone 9b and St. Augustine Beach's frost date answer different questions, and the frost range explains how to read the range around St. Augustine Beach's dates instead of trusting one.