California City, CA 93504 Frost Dates
93504, near California City, CA: the frost window
The last spring frost here typically falls around 03/19, about 203 days from today. Fall's first freeze usually shows up around 11/25, roughly 251 days after the last spring frost.
Zone 8b (15 to 20°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 California City, not a forecast for this year.
Stretching the season past the first frost
California City's growing season runs out in roughly 13 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around California City's last frost
03/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
California City against the rest of the dataset
About 251 days separate California City's last and first frost, putting it 7,300 of 40,283 ZIP codes nationally. Within CA, it ranks 2,084 of 2,555.
Learn more
Two guides worth reading on 93504: local microclimates, on what one yard in California City can differ from the 93504 normal, and zone vs. frost date, on why Zone 8b and California City's frost date answer different questions.