Kingsville, TX 78363 Frost Dates
78363, near Kingsville, TX: the frost window
Typically, the last spring freeze lands around 01/25, roughly 150 days out. Fall's first freeze usually shows up around 12/20, roughly 329 days after the last spring frost.
Kingsville 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
Kingsville's growing season runs out in roughly 16 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/25 isn't a guarantee
01/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/18 and only about 1 year in 10 sees frost after that.
Kingsville against the rest of the dataset
Kingsville's growing season runs about 329 days, ranking 3,090 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 183 of 2,558.
Learn more
Two guides worth reading on 78363: zone vs. frost date, on why Zone 9b and Kingsville's frost date answer different questions, and the frost range, on how to read the range around Kingsville's dates instead of trusting one.