Sacramento, CA 95818 Frost Dates
Frost dates for Sacramento, CA, ZIP 95818
Around 02/02 is the usual last spring frost, about 158 days away. The first fall frost typically arrives around 12/02, about 301 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sacramento in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Sacramento 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.
How much risk comes with planting early here
02/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/02 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sacramento compares
At roughly 301 frost-free days, Sacramento places 3,804 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,530 of 2,555.
Learn more
zone vs. frost date explains why Zone 9b and Sacramento's frost date answer different questions, and the frost range explains how to read the range around Sacramento's dates instead of trusting one.