Lomita, CA 90239 Frost Dates
Lomita, CA: when does the frost end?
Typically, the last spring freeze lands around 01/09, roughly 134 days out. Fall's first freeze usually shows up around 01/05, roughly 365 days after the last spring frost.
Lomita sits in USDA Zone 10b (35 to 40°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.
How much risk comes with planting early here
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 1,300 of 40,283 ZIP codes nationally. Within CA, it ranks 585 of 2,555.
Learn more
Before leaning on 90239's figures: local microclimates explains what one yard in Lomita can differ from the 90239 normal, while zone vs. frost date explains why Zone 10b and Lomita's frost date answer different questions.