Jefferson, TX 75564 Frost Dates
Jefferson, TX: when does the frost end?
The last spring frost here typically falls around 03/06, about 190 days from today. Fall's first freeze usually shows up around 11/19, roughly 257 days after the last spring frost.
Zone 8b (15 to 20°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 Jefferson, not a forecast for this year.
Stretching the season past the first frost
With roughly 12 weeks until Jefferson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Jefferson's last frost
03/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/27 and only about 1 year in 10 sees frost after that.
Jefferson against the rest of the dataset
About 257 days separate Jefferson's last and first frost, putting it 6,705 of 40,283 ZIP codes nationally. Within TX, it ranks 1,435 of 2,558.
Learn more
Before leaning on 75564's figures: local microclimates explains what one yard in Jefferson can differ from the 75564 normal, while zone vs. frost date explains why Zone 8b and Jefferson's frost date answer different questions.