Bellville, TX 77418 Frost Dates
Frost dates for Bellville, TX, ZIP 77418
Around 03/02 is the usual last spring frost, about 186 days away. The first fall frost typically arrives around 11/30, about 273 frost-free days later.
The USDA Plant Hardiness Zone Map puts Bellville in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9a around Bellville has about 13 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Bellville'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. 03/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bellville compares
About 273 days separate Bellville's last and first frost, putting it 5,210 of 40,283 ZIP codes nationally. Within TX, it ranks 875 of 2,558.
Learn more
local microclimates explains what one yard in Bellville can differ from the 77418 normal, and zone vs. frost date explains why Zone 9a and Bellville's frost date answer different questions.