FrostDateCheck

Zephyrhills, FL 33849 Frost Dates

33849, near Zephyrhills, FL: the frost window

Zone 9b

Typically, the last spring freeze lands around 01/31, roughly 156 days out. Fall's first freeze usually shows up around 01/08, roughly 336 days after the last spring frost.

Zephyrhills sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

Zephyrhills'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.

How much risk comes with planting early here

01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/28 and only about 1 year in 10 sees frost after that.

Zephyrhills against the rest of the dataset

About 336 days separate Zephyrhills's last and first frost, putting it 2,722 of 40,283 ZIP codes nationally. Within FL, it ranks 1,091 of 1,609.

Learn more

Two guides worth reading on 33849: local microclimates, on what one yard in Zephyrhills can differ from the 33849 normal, and zone vs. frost date, on why Zone 9b and Zephyrhills's frost date answer different questions.