Daly City, CA 94122 Frost Dates
Frost dates for Daly City, CA, ZIP 94122
Typically, the last spring freeze lands around 12/30, roughly 124 days out. The first fall frost typically arrives around 12/25, about 365 frost-free days later.
The USDA Plant Hardiness Zone Map puts Daly City in Zone 10b (35 to 40°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 10b around Daly City has about 17 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 Daly City's last frost
12/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/13 and you're betting against frost in roughly 9 years out of 10. 12/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Daly City compares
About 365 days separate Daly City's last and first frost, putting it 521 of 40,283 ZIP codes nationally. Within CA, it ranks 231 of 2,555.
Learn more
zone vs. frost date explains why Zone 10b and Daly City's frost date answer different questions, and the frost range explains how to read the range around Daly City's dates instead of trusting one.