FrostDateCheck

Sanger, CA 93747 Frost Dates

Frost dates for Sanger, CA, ZIP 93747

Zone 9b

The last spring frost here typically falls around 01/14, about 139 days from today. The first fall frost typically arrives around 12/14, about 337 frost-free days later.

Sanger 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 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.

The actual range around Sanger's last frost

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 2,674 of 40,283 ZIP codes nationally. Within CA, it ranks 1,197 of 2,555.

Learn more

the frost range explains how to read the range around Sanger's dates instead of trusting one, and local microclimates explains what one yard in Sanger can differ from the 93747 normal.