Sacramento, CA 95815 Frost Dates
95815, near Sacramento, CA: the frost window
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.
Sacramento 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
Sacramento'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 Sacramento'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.
Sacramento against the rest of the dataset
About 341 days separate Sacramento's last and first frost, putting it 2,567 of 40,283 ZIP codes nationally. Within CA, it ranks 1,125 of 2,555.
Learn more
Two guides worth reading on 95815: local microclimates, on what one yard in Sacramento can differ from the 95815 normal, and zone vs. frost date, on why Zone 9b and Sacramento's frost date answer different questions.