Goleta, CA 93111 Frost Dates
93111, near Goleta, CA: the frost window
The last spring frost here typically falls around 01/11, about 136 days from today. Fall's first freeze usually shows up around 12/16, roughly 342 days after the last spring frost.
Zone 10a (30 to 35°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
Goleta's growing season runs out in roughly 16 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
01/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/14 and only about 1 year in 10 sees frost after that.
Goleta against the rest of the dataset
At roughly 342 frost-free days, Goleta places 2,552 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,122 of 2,555.
Learn more
Two guides worth reading on 93111: local microclimates, on what one yard in Goleta can differ from the 93111 normal, and zone vs. frost date, on why Zone 10a and Goleta's frost date answer different questions.