Lomita, CA 91023 Frost Dates
Lomita, CA: when does the frost end?
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.
Zone 9a (20 to 25°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.
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
About 365 days separate Lomita's last and first frost, putting it 1,357 of 40,283 ZIP codes nationally. Within CA, it ranks 642 of 2,555.
Learn more
Before leaning on 91023's figures: local microclimates explains what one yard in Lomita can differ from the 91023 normal, while zone vs. frost date explains why Zone 9a and Lomita's frost date answer different questions.