Colfax, CA 95722 Frost Dates
Frost dates for Colfax, CA, ZIP 95722
The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 11/24, about 233 frost-free days later.
The USDA Plant Hardiness Zone Map puts Colfax in Zone 9a (20 to 25°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 9a around Colfax has about 13 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.
The actual range around Colfax's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Colfax compares
At roughly 233 frost-free days, Colfax places 9,915 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,165 of 2,555.
Learn more
the frost range explains how to read the range around Colfax's dates instead of trusting one, and local microclimates explains what one yard in Colfax can differ from the 95722 normal.