Rancho Cordova, CA 95655 Frost Dates
Frost dates for Rancho Cordova, CA, ZIP 95655
Typically, the last spring freeze lands around 01/12, roughly 137 days out. The first fall frost typically arrives around 12/16, about 341 frost-free days later.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Rancho Cordova, not a forecast for this year.
What to do before the first frost
Zone 9b around Rancho Cordova has about 16 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 Rancho Cordova's last frost
01/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/08 and you're betting against frost in roughly 9 years out of 10. 12/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rancho Cordova compares
About 341 days separate Rancho Cordova's last and first frost, putting it 2,596 of 40,283 ZIP codes nationally. Within CA, it ranks 1,153 of 2,555.
Learn more
zone vs. frost date explains why Zone 9b and Rancho Cordova's frost date answer different questions, and the frost range explains how to read the range around Rancho Cordova's dates instead of trusting one.