Petrolia, TX 76377 Frost Dates
Frost dates for Petrolia, TX, ZIP 76377
Around 03/26 is the usual last spring frost, about 210 days away. The first fall frost typically arrives around 11/09, about 228 frost-free days later.
Zone 8a (10 to 15°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 Petrolia, not a forecast for this year.
What to do before the first frost
Zone 8a around Petrolia has about 10 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 Petrolia's last frost
03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Petrolia compares
At roughly 228 frost-free days, Petrolia places 10,898 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,201 of 2,558.
Learn more
local microclimates explains what one yard in Petrolia can differ from the 76377 normal, and zone vs. frost date explains why Zone 8a and Petrolia's frost date answer different questions.