Denham Springs, LA 70819 Frost Dates
Frost dates for Denham Springs, LA, ZIP 70819
Around 02/25 is the usual last spring frost, about 181 days away. The first fall frost typically arrives around 11/26, about 276 frost-free days later.
Denham Springs sits in USDA Zone 9a (20 to 25°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
Zone 9a around Denham Springs 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.
How much risk comes with planting early here
02/25 is the middle of 30 years of NOAA records, not a promise. Plant by 01/29 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Denham Springs compares
About 276 days separate Denham Springs's last and first frost, putting it 5,084 of 40,283 ZIP codes nationally. Within LA, it ranks 290 of 710.
Learn more
the frost range explains how to read the range around Denham Springs's dates instead of trusting one, and local microclimates explains what one yard in Denham Springs can differ from the 70819 normal.