Sunset, LA 70584 Frost Dates
70584, near Sunset, LA: the frost window
Typically, the last spring freeze lands around 02/28, roughly 184 days out. Fall's first freeze usually shows up around 11/23, roughly 267 days after the last spring frost.
Sunset 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.
Stretching the season past the first frost
Sunset's growing season runs out in roughly 12 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
02/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/25 and only about 1 year in 10 sees frost after that.
Sunset against the rest of the dataset
Sunset's growing season runs about 267 days, ranking 5,857 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 439 of 710.
Learn more
Two guides worth reading on 70584: local microclimates, on what one yard in Sunset can differ from the 70584 normal, and zone vs. frost date, on why Zone 9a and Sunset's frost date answer different questions.