Austin, TX 78712 Frost Dates
Austin, TX: when does the frost end?
The last spring frost here typically falls around 02/20, about 176 days from today. Fall's first freeze usually shows up around 12/03, roughly 291 days after the last spring frost.
Zone 9a (20 to 25°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 Austin, not a forecast for this year.
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
Austin's growing season runs about 291 days, ranking 4,402 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 564 of 2,558.
Learn more
Before leaning on 78712'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 78712 normal.