Rayne, LA 70578 Frost Dates
70578, near Rayne, LA: the frost window
The last spring frost here typically falls around 02/20, about 176 days from today. Fall's first freeze usually shows up around 12/04, roughly 291 days after the last spring frost.
Zone 9a (20 to 25°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 Rayne, not a forecast for this year.
Stretching the season past the first frost
Rayne's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
02/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
Rayne against the rest of the dataset
Rayne's growing season runs about 291 days, ranking 4,439 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 225 of 710.
Learn more
Two guides worth reading on 70578: the frost range, on how to read the range around Rayne's dates instead of trusting one, and local microclimates, on what one yard in Rayne can differ from the 70578 normal.