Roma, TX 78545 Frost Dates
When can you plant in Roma, TX?
The last spring frost here typically falls around 01/09, about 134 days from today. The first fall frost typically arrives around 01/01, about 363 frost-free days later.
Roma sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 18 weeks of growing season left in Roma before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 01/09 isn't a guarantee
01/09 is the middle of 30 years of NOAA records, not a promise. Plant by 02/21 and you're betting against frost in roughly 9 years out of 10. 12/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Roma compares
About 363 days separate Roma's last and first frost, putting it 2,045 of 40,283 ZIP codes nationally. Within TX, it ranks 48 of 2,558.
Learn more
the frost range covers how to read the range around Roma's dates instead of trusting one. local microclimates covers what one yard in Roma can differ from the 78545 normal.