Madisonville, LA 70447 Frost Dates
Frost dates for Madisonville, LA, ZIP 70447
Around 03/12 is the usual last spring frost, about 196 days away. The first fall frost typically arrives around 11/18, about 253 frost-free days later.
The USDA Plant Hardiness Zone Map puts Madisonville 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 Madisonville has about 12 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.
Why 03/12 isn't a guarantee
03/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/13 and you're betting against frost in roughly 9 years out of 10. 04/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Madisonville compares
At roughly 253 frost-free days, Madisonville places 7,173 of 40,283 ZIP codes in this dataset. Within LA, it ranks 580 of 710.
Learn more
zone vs. frost date explains why Zone 9a and Madisonville's frost date answer different questions, and the frost range explains how to read the range around Madisonville's dates instead of trusting one.