Ceres, CA 95307 Frost Dates
Frost dates for Ceres, CA, ZIP 95307
Around 01/31 is the usual last spring frost, about 156 days away. The first fall frost typically arrives around 12/05, about 312 frost-free days later.
Ceres 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 Ceres 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.
The actual range around Ceres's last frost
01/31 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ceres compares
At roughly 312 frost-free days, Ceres places 3,465 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,445 of 2,555.
Learn more
the frost range explains how to read the range around Ceres's dates instead of trusting one, and local microclimates explains what one yard in Ceres can differ from the 95307 normal.