Coachella, CA 92546 Frost Dates
Frost dates for Coachella, CA, ZIP 92546
Around 12/31 is the usual last spring frost, about 125 days away. The first fall frost typically arrives around 12/27, about 365 frost-free days later.
The USDA Plant Hardiness Zone Map puts Coachella in Zone 9b (25 to 30°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 9b around Coachella has about 17 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
12/31 is the middle of 30 years of NOAA records, not a promise. Plant by 01/21 and you're betting against frost in roughly 9 years out of 10. 12/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Coachella compares
About 365 days separate Coachella's last and first frost, putting it 941 of 40,283 ZIP codes nationally. Within CA, it ranks 393 of 2,555.
Learn more
zone vs. frost date explains why Zone 9b and Coachella's frost date answer different questions, and the frost range explains how to read the range around Coachella's dates instead of trusting one.