Tampa, FL 33664 Frost Dates
33664, near Tampa, FL: the frost window
Around 01/20 is the usual last spring frost, about 145 days away. Fall's first freeze usually shows up around 01/12, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tampa in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Tampa's growing season runs out in roughly 20 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 Tampa's last frost
01/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/27 and only about 1 year in 10 sees frost after that.
Tampa against the rest of the dataset
About 365 days separate Tampa's last and first frost, putting it 87 of 40,283 ZIP codes nationally. Within FL, it ranks 49 of 1,609.
Learn more
Two guides worth reading on 33664: local microclimates, on what one yard in Tampa can differ from the 33664 normal, and zone vs. frost date, on why Zone 10a and Tampa's frost date answer different questions.