FrostDateCheck

Anderson, CA 96096 Frost Dates

Frost dates for Anderson, CA, ZIP 96096

Zone 9a

Around 06/09 is the usual last spring frost, about 285 days away. The first fall frost typically arrives around 09/21, about 102 frost-free days later.

Zone 9a (20 to 25°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 Anderson, not a forecast for this year.

What to do before the first frost

Zone 9a around Anderson has about 3 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

06/09 is the middle of 30 years of NOAA records, not a promise. Plant by 05/21 and you're betting against frost in roughly 9 years out of 10. 06/27 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Anderson compares

At roughly 102 frost-free days, Anderson places 39,642 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,516 of 2,555.

Learn more

the frost range explains how to read the range around Anderson's dates instead of trusting one, and local microclimates explains what one yard in Anderson can differ from the 96096 normal.