Justin, TX 76247 Frost Dates
76247, near Justin, TX: the frost window
Typically, the last spring freeze lands around 03/12, roughly 196 days out. Fall's first freeze usually shows up around 11/17, roughly 249 days after the last spring frost.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Justin, not a forecast for this year.
Stretching the season past the first frost
Justin's growing season runs out in roughly 12 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 Justin's last frost
03/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/03 and only about 1 year in 10 sees frost after that.
Justin against the rest of the dataset
At roughly 249 frost-free days, Justin places 7,620 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,711 of 2,558.
Learn more
Two guides worth reading on 76247: local microclimates, on what one yard in Justin can differ from the 76247 normal, and zone vs. frost date, on why Zone 8b and Justin's frost date answer different questions.