FrostDateCheck

Bristol, FL 32360 Frost Dates

32360, near Bristol, FL: the frost window

Zone 9a

Typically, the last spring freeze lands around 03/01, roughly 185 days out. Fall's first freeze usually shows up around 11/29, roughly 271 days after the last spring frost.

Bristol sits in USDA Zone 9a (20 to 25°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

Bristol's growing season runs out in roughly 13 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

03/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/20 and only about 1 year in 10 sees frost after that.

Bristol against the rest of the dataset

At roughly 271 frost-free days, Bristol places 5,461 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,501 of 1,609.

Learn more

Two guides worth reading on 32360: zone vs. frost date, on why Zone 9a and Bristol's frost date answer different questions, and the frost range, on how to read the range around Bristol's dates instead of trusting one.