Sanger, CA 93707 Frost Dates
Frost dates for Sanger, CA, ZIP 93707
Around 01/14 is the usual last spring frost, about 139 days away. The first fall frost typically arrives around 12/14, about 337 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sanger in Zone 9b (25 to 30°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 9b around Sanger has about 15 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
01/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/11 and you're betting against frost in roughly 9 years out of 10. 12/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sanger compares
About 337 days separate Sanger's last and first frost, putting it 2,659 of 40,283 ZIP codes nationally. Within CA, it ranks 1,182 of 2,555.
Learn more
local microclimates explains what one yard in Sanger can differ from the 93707 normal, and zone vs. frost date explains why Zone 9b and Sanger's frost date answer different questions.