Austin, TX 73344 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.
The actual range around Austin's last frost
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 4,391 of 40,283 ZIP codes nationally. Within TX, it ranks 553 of 2,558.
Learn more
Before leaning on 73344's figures: local microclimates explains what one yard in Austin can differ from the 73344 normal, while zone vs. frost date explains why Zone 9a and Austin's frost date answer different questions.