Corrigan, TX 75939 Frost Dates
Frost dates for Corrigan, TX, ZIP 75939
The last spring frost here typically falls around 03/11, about 195 days from today. The first fall frost typically arrives around 11/15, about 247 frost-free days later.
The USDA Plant Hardiness Zone Map puts Corrigan 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 Corrigan has about 11 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.
How much risk comes with planting early here
03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Corrigan compares
Corrigan's growing season runs about 247 days, ranking 7,852 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,776 of 2,558.
Learn more
local microclimates explains what one yard in Corrigan can differ from the 75939 normal, and zone vs. frost date explains why Zone 9a and Corrigan's frost date answer different questions.