Johnson City, TX 78665 Frost Dates
Johnson City, TX: when does the frost end?
The last spring frost here typically falls around 03/01, about 185 days from today. Fall's first freeze usually shows up around 12/01, roughly 276 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Johnson City in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 14 weeks until Johnson City'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
03/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/22 and only about 1 year in 10 sees frost after that.
Johnson City against the rest of the dataset
About 276 days separate Johnson City's last and first frost, putting it 5,109 of 40,283 ZIP codes nationally. Within TX, it ranks 838 of 2,558.
Learn more
Before leaning on 78665's figures: local microclimates explains what one yard in Johnson City can differ from the 78665 normal, while zone vs. frost date explains why Zone 9a and Johnson City's frost date answer different questions.