FrostDateCheck

Lomita, CA 91329 Frost Dates

When can you plant in Lomita, CA?

Zone 10a

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.

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.

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.

The actual range around Lomita's last frost

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

About 365 days separate Lomita's last and first frost, putting it 1,397 of 40,283 ZIP codes nationally. Within CA, it ranks 682 of 2,555.

Learn more

the frost range covers how to read the range around Lomita's dates instead of trusting one. local microclimates covers what one yard in Lomita can differ from the 91329 normal.