North Port, FL 33981 Frost Dates
33981, near North Port, FL: the frost window
The last spring frost here typically falls around 01/21, about 146 days from today. Fall's first freeze usually shows up around 01/14, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Port in Zone 10b (35 to 40°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
North Port'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 North Port's last frost
01/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/14 and only about 1 year in 10 sees frost after that.
North Port against the rest of the dataset
North Port's growing season runs about 365 days, ranking 563 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 164 of 1,609.
Learn more
Two guides worth reading on 33981: zone vs. frost date, on why Zone 10b and North Port's frost date answer different questions, and the frost range, on how to read the range around North Port's dates instead of trusting one.