Elk Grove, CA 94258 Frost Dates
Frost dates for Elk Grove, CA, ZIP 94258
Typically, the last spring freeze lands around 02/02, roughly 158 days out. The first fall frost typically arrives around 12/02, about 301 frost-free days later.
Elk Grove sits in USDA Zone 9b (25 to 30°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 9b around Elk Grove has about 14 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
02/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/02 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Elk Grove compares
About 301 days separate Elk Grove's last and first frost, putting it 3,834 of 40,283 ZIP codes nationally. Within CA, it ranks 1,560 of 2,555.
Learn more
the frost range explains how to read the range around Elk Grove's dates instead of trusting one, and local microclimates explains what one yard in Elk Grove can differ from the 94258 normal.