Safety Harbor, FL 33759 Frost Dates
Frost dates for Safety Harbor, FL, ZIP 33759
The last spring frost here typically falls around 01/17, about 142 days from today. The first fall frost typically arrives around 01/14, about 365 frost-free days later.
Zone 10a (30 to 35°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 Safety Harbor, not a forecast for this year.
What to do before the first frost
Zone 10a around Safety Harbor has about 20 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 Safety Harbor's last frost
01/17 is the middle of 30 years of NOAA records, not a promise. Plant by 01/01 and you're betting against frost in roughly 9 years out of 10. 02/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Safety Harbor compares
At roughly 365 frost-free days, Safety Harbor places 1,512 of 40,283 ZIP codes in this dataset. Within FL, it ranks 559 of 1,609.
Learn more
zone vs. frost date explains why Zone 10a and Safety Harbor's frost date answer different questions, and the frost range explains how to read the range around Safety Harbor's dates instead of trusting one.