Tehachapi, CA 93205 Frost Dates
Frost dates for Tehachapi, CA, ZIP 93205
Typically, the last spring freeze lands around 04/05, roughly 220 days out. The first fall frost typically arrives around 11/03, about 212 frost-free days later.
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.
What to do before the first frost
Zone 8b around Tehachapi has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tehachapi compares
About 212 days separate Tehachapi's last and first frost, putting it 14,582 of 40,283 ZIP codes nationally. Within CA, it ranks 2,205 of 2,555.
Learn more
the frost range explains how to read the range around Tehachapi's dates instead of trusting one, and local microclimates explains what one yard in Tehachapi can differ from the 93205 normal.