Leon Valley, TX 78251 Frost Dates
Leon Valley, TX: when does the frost end?
Typically, the last spring freeze lands around 02/18, roughly 174 days out. Fall's first freeze usually shows up around 12/09, roughly 296 days after the last spring frost.
Leon Valley 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
With roughly 15 weeks until Leon Valley's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
02/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/16 and only about 1 year in 10 sees frost after that.
Leon Valley against the rest of the dataset
About 296 days separate Leon Valley's last and first frost, putting it 4,238 of 40,283 ZIP codes nationally. Within TX, it ranks 507 of 2,558.
Learn more
Before leaning on 78251's figures: local microclimates explains what one yard in Leon Valley can differ from the 78251 normal, while zone vs. frost date explains why Zone 9a and Leon Valley's frost date answer different questions.