FrostDateCheck

Lomita, CA 91526 Frost Dates

Lomita, CA: when does the frost end?

Zone 10a

The last spring frost here typically falls around 01/09, about 134 days from today. Fall's first freeze usually shows up around 01/05, roughly 365 days after the last spring frost.

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.

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 1,438 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 723 of 2,555.

Learn more

Before leaning on 91526's figures: local microclimates explains what one yard in Lomita can differ from the 91526 normal, while zone vs. frost date explains why Zone 10a and Lomita's frost date answer different questions.