Lomita, CA 91495 Frost Dates
Frost dates for Lomita, CA, ZIP 91495
Around 01/09 is the usual last spring frost, about 134 days away. The first fall frost typically arrives around 01/05, about 365 frost-free days later.
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.
What to do before the first frost
Zone 10a around Lomita has about 19 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
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
Lomita's growing season runs about 365 days, ranking 1,431 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 716 of 2,555.
Learn more
the frost range explains how to read the range around Lomita's dates instead of trusting one, and local microclimates explains what one yard in Lomita can differ from the 91495 normal.