Winter Haven, FL 33881 Frost Dates
33881, near Winter Haven, FL: the frost window
Around 01/15 is the usual last spring frost, about 140 days away. Fall's first freeze usually shows up around 01/10, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Winter Haven 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
Winter Haven's growing season runs out in roughly 19 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 Winter Haven's last frost
01/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/30 and only about 1 year in 10 sees frost after that.
Winter Haven against the rest of the dataset
About 365 days separate Winter Haven's last and first frost, putting it 770 of 40,283 ZIP codes nationally. Within FL, it ranks 286 of 1,609.
Learn more
Two guides worth reading on 33881: the frost range, on how to read the range around Winter Haven's dates instead of trusting one, and local microclimates, on what one yard in Winter Haven can differ from the 33881 normal.