Goleta, CA 93140 Frost Dates
Goleta, CA: when does the frost end?
Typically, the last spring freeze lands around 12/31, roughly 125 days out. Fall's first freeze usually shows up around 12/20, roughly 365 days after the last spring frost.
Zone 10b (35 to 40°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 Goleta, not a forecast for this year.
Stretching the season past the first frost
With roughly 16 weeks until Goleta's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Goleta's last frost
12/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/08 and only about 1 year in 10 sees frost after that.
Goleta against the rest of the dataset
At roughly 365 frost-free days, Goleta places 1,041 of 40,283 ZIP codes in this dataset. Within CA, it ranks 454 of 2,555.
Learn more
Before leaning on 93140's figures: the frost range explains how to read the range around Goleta's dates instead of trusting one, while local microclimates explains what one yard in Goleta can differ from the 93140 normal.