Tehachapi, CA 93502 Frost Dates
Frost dates for Tehachapi, CA, ZIP 93502
The last spring frost here typically falls around 03/15, about 199 days from today. The first fall frost typically arrives around 11/17, about 241 frost-free days later.
Tehachapi sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 8b around Tehachapi has about 12 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.
The actual range around Tehachapi's last frost
03/15 is the middle of 30 years of NOAA records, not a promise. Plant by 02/21 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tehachapi compares
Tehachapi's growing season runs about 241 days, ranking 8,530 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,117 of 2,555.
Learn more
local microclimates explains what one yard in Tehachapi can differ from the 93502 normal, and zone vs. frost date explains why Zone 8b and Tehachapi's frost date answer different questions.