Austin, TX 78701 Frost Dates
Austin, TX: when does the frost end?
Typically, the last spring freeze lands around 02/20, roughly 176 days out. Fall's first freeze usually shows up around 12/03, roughly 291 days after the last spring frost.
Austin 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 14 weeks until Austin'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
02/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
Austin against the rest of the dataset
About 291 days separate Austin's last and first frost, putting it 4,394 of 40,283 ZIP codes nationally. Within TX, it ranks 556 of 2,558.
Learn more
Before leaning on 78701's figures: the frost range explains how to read the range around Austin's dates instead of trusting one, while local microclimates explains what one yard in Austin can differ from the 78701 normal.