Rankin, TX 79778 Frost Dates
Rankin, TX: when does the frost end?
Around 03/31 is the usual last spring frost, about 215 days away. Fall's first freeze usually shows up around 11/03, roughly 217 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Rankin in Zone 8b (15 to 20°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 10 weeks until Rankin's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 03/31 isn't a guarantee
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Rankin against the rest of the dataset
About 217 days separate Rankin's last and first frost, putting it 13,578 of 40,283 ZIP codes nationally. Within TX, it ranks 2,331 of 2,558.
Learn more
Before leaning on 79778's figures: the frost range explains how to read the range around Rankin's dates instead of trusting one, while local microclimates explains what one yard in Rankin can differ from the 79778 normal.