Davis, CA 95616 Frost Dates
Frost dates for Davis, CA, ZIP 95616
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
Zone 9b around Davis 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.
Why 02/10 isn't a guarantee
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 4,249 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,645 of 2,555.
Learn more
local microclimates explains what one yard in Davis can differ from the 95616 normal, and zone vs. frost date explains why Zone 9b and Davis's frost date answer different questions.