FrostDateCheck

Rancho Cordova, CA 95827 Frost Dates

95827, near Rancho Cordova, CA: the frost window

Zone 9b

Around 01/12 is the usual last spring frost, about 137 days away. Fall's first freeze usually shows up around 12/16, roughly 341 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Rancho Cordova in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Rancho Cordova's growing season runs out in roughly 16 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Rancho Cordova's last frost

01/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/18 and only about 1 year in 10 sees frost after that.

Rancho Cordova against the rest of the dataset

About 341 days separate Rancho Cordova's last and first frost, putting it 2,600 of 40,283 ZIP codes nationally. Within CA, it ranks 1,157 of 2,555.

Learn more

Two guides worth reading on 95827: zone vs. frost date, on why Zone 9b and Rancho Cordova's frost date answer different questions, and the frost range, on how to read the range around Rancho Cordova's dates instead of trusting one.