Kerrville, TX 78013 Frost Dates
78013, near Kerrville, TX: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/01, roughly 211 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Kerrville 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
Kerrville's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Kerrville against the rest of the dataset
At roughly 211 frost-free days, Kerrville places 14,725 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,383 of 2,558.
Learn more
Two guides worth reading on 78013: zone vs. frost date, on why Zone 8b and Kerrville's frost date answer different questions, and the frost range, on how to read the range around Kerrville's dates instead of trusting one.