Berwick, LA 70381 Frost Dates
70381, near Berwick, LA: the frost window
Typically, the last spring freeze lands around 01/30, roughly 155 days out. Fall's first freeze usually shows up around 01/01, roughly 335 days after the last spring frost.
Berwick sits in USDA Zone 9b (25 to 30°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
Berwick's growing season runs out in roughly 18 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Berwick's last frost
01/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/30 and only about 1 year in 10 sees frost after that.
Berwick against the rest of the dataset
About 335 days separate Berwick's last and first frost, putting it 2,751 of 40,283 ZIP codes nationally. Within LA, it ranks 26 of 710.
Learn more
Two guides worth reading on 70381: the frost range, on how to read the range around Berwick's dates instead of trusting one, and local microclimates, on what one yard in Berwick can differ from the 70381 normal.