Tampa, FL 33685 Frost Dates
Frost dates for Tampa, FL, ZIP 33685
Around 01/20 is the usual last spring frost, about 145 days away. The first fall frost typically arrives around 01/12, 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 Tampa, not a forecast for this year.
What to do before the first frost
Zone 10a around Tampa 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.
How much risk comes with planting early here
01/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/10 and you're betting against frost in roughly 9 years out of 10. 12/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tampa compares
At roughly 365 frost-free days, Tampa places 98 of 40,283 ZIP codes in this dataset. Within FL, it ranks 60 of 1,609.
Learn more
the frost range explains how to read the range around Tampa's dates instead of trusting one, and local microclimates explains what one yard in Tampa can differ from the 33685 normal.