Hallettsville, TX 77964 Frost Dates
When can you plant in Hallettsville, TX?
Typically, the last spring freeze lands around 03/02, roughly 186 days out. The first fall frost typically arrives around 11/30, about 276 frost-free days later.
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 Hallettsville, not a forecast for this year.
What to do before the first frost
About 13 weeks of growing season left in Hallettsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Hallettsville's last frost
03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/31 and you're betting against frost in roughly 9 years out of 10. 03/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hallettsville compares
About 276 days separate Hallettsville's last and first frost, putting it 5,096 of 40,283 ZIP codes nationally. Within TX, it ranks 834 of 2,558.
Learn more
the frost range covers how to read the range around Hallettsville's dates instead of trusting one. local microclimates covers what one yard in Hallettsville can differ from the 77964 normal.