FrostDateCheck

Lomita, CA 91225 Frost Dates

Lomita, CA: when does the frost end?

Zone 10a

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

With roughly 19 weeks until Lomita's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

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

Lomita's growing season runs about 365 days, ranking 1,387 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 672 of 2,555.

Learn more

Before leaning on 91225's figures: local microclimates explains what one yard in Lomita can differ from the 91225 normal, while zone vs. frost date explains why Zone 10a and Lomita's frost date answer different questions.