FrostDateCheck

Rancho Cordova, CA 95683 Frost Dates

95683, near Rancho Cordova, CA: the frost window

Zone 9b

Typically, the last spring freeze lands around 01/12, roughly 137 days out. Fall's first freeze usually shows up around 12/16, roughly 341 days after the last spring frost.

Rancho Cordova 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.

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.

How much risk comes with planting early here

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 2,598 of 40,283 ZIP codes nationally. Within CA, it ranks 1,155 of 2,555.

Learn more

Two guides worth reading on 95683: local microclimates, on what one yard in Rancho Cordova can differ from the 95683 normal, and zone vs. frost date, on why Zone 9b and Rancho Cordova's frost date answer different questions.