Lomita, CA 91313 Frost Dates
91313, near Lomita, CA: the frost window
Typically, the last spring freeze lands around 01/09, roughly 134 days out. Fall's first freeze usually shows up around 01/05, roughly 365 days after the last spring frost.
Lomita sits in USDA Zone 10a (30 to 35°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
Lomita's growing season runs out in roughly 19 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 Lomita's last frost
01/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/04 and only about 1 year in 10 sees frost after that.
Lomita against the rest of the dataset
About 365 days separate Lomita's last and first frost, putting it 1,393 of 40,283 ZIP codes nationally. Within CA, it ranks 678 of 2,555.
Learn more
Two guides worth reading on 91313: local microclimates, on what one yard in Lomita can differ from the 91313 normal, and zone vs. frost date, on why Zone 10a and Lomita's frost date answer different questions.