Lomita, CA 91804 Frost Dates
When can you plant in Lomita, CA?
The last spring frost here typically falls around 01/09, about 134 days from today. The first fall frost typically arrives around 01/05, about 365 frost-free days later.
Zone 10a (30 to 35°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 Lomita, not a forecast for this year.
What to do before the first frost
About 19 weeks of growing season left in Lomita before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
01/09 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 12/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lomita compares
At roughly 365 frost-free days, Lomita places 1,464 of 40,283 ZIP codes in this dataset. Within CA, it ranks 749 of 2,555.
Learn more
zone vs. frost date covers why Zone 10a and Lomita's frost date answer different questions. the frost range covers how to read the range around Lomita's dates instead of trusting one.