Santa Clara, CA 95113 Frost Dates
When can you plant in Santa Clara, CA?
Typically, the last spring freeze lands around 01/02, roughly 127 days out. The first fall frost typically arrives around 12/25, about 362 frost-free days later.
Santa Clara 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
About 17 weeks of growing season left in Santa Clara before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 01/02 isn't a guarantee
01/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 and you're betting against frost in roughly 9 years out of 10. 12/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Santa Clara compares
About 362 days separate Santa Clara's last and first frost, putting it 2,061 of 40,283 ZIP codes nationally. Within CA, it ranks 947 of 2,555.
Learn more
the frost range covers how to read the range around Santa Clara's dates instead of trusting one. local microclimates covers what one yard in Santa Clara can differ from the 95113 normal.