Cloverdale, CA 95425 Frost Dates
Frost dates for Cloverdale, CA, ZIP 95425
Around 02/25 is the usual last spring frost, about 181 days away. The first fall frost typically arrives around 12/03, about 279 frost-free days later.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Cloverdale, not a forecast for this year.
What to do before the first frost
Zone 9b around Cloverdale 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
02/25 is the middle of 30 years of NOAA records, not a promise. Plant by 01/18 and you're betting against frost in roughly 9 years out of 10. 04/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cloverdale compares
Cloverdale's growing season runs about 279 days, ranking 4,883 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,792 of 2,555.
Learn more
local microclimates explains what one yard in Cloverdale can differ from the 95425 normal, and zone vs. frost date explains why Zone 9b and Cloverdale's frost date answer different questions.