Davis, CA 95618 Frost Dates
When can you plant in Davis, CA?
Typically, the last spring freeze lands around 02/10, roughly 166 days out. The first fall frost typically arrives around 12/01, about 295 frost-free days later.
Davis 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.
What to do before the first frost
About 14 weeks of growing season left in Davis before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
02/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Davis compares
Davis's growing season runs about 295 days, ranking 4,250 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,646 of 2,555.
Learn more
local microclimates covers what one yard in Davis can differ from the 95618 normal. zone vs. frost date covers why Zone 9b and Davis's frost date answer different questions.