Tehachapi, CA 93518 Frost Dates
Tehachapi, CA: when does the frost end?
Around 04/05 is the usual last spring frost, about 220 days away. Fall's first freeze usually shows up around 11/03, roughly 212 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tehachapi in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Tehachapi's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Tehachapi's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Tehachapi against the rest of the dataset
At roughly 212 frost-free days, Tehachapi places 14,585 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,208 of 2,555.
Learn more
Before leaning on 93518's figures: local microclimates explains what one yard in Tehachapi can differ from the 93518 normal, while zone vs. frost date explains why Zone 8b and Tehachapi's frost date answer different questions.