Lomita, CA 91353 Frost Dates
91353, near Lomita, CA: the frost window
Around 01/09 is the usual last spring frost, about 134 days away. Fall's first freeze usually shows up around 01/05, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lomita in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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
At roughly 365 frost-free days, Lomita places 1,404 of 40,283 ZIP codes in this dataset. Within CA, it ranks 689 of 2,555.
Learn more
Two guides worth reading on 91353: local microclimates, on what one yard in Lomita can differ from the 91353 normal, and zone vs. frost date, on why Zone 10a and Lomita's frost date answer different questions.