Daly City, CA 94015 Frost Dates
94015, near Daly City, CA: the frost window
Typically, the last spring freeze lands around 12/30, roughly 124 days out. Fall's first freeze usually shows up around 12/25, roughly 365 days after the last spring frost.
Daly City sits in USDA Zone 10a (30 to 35°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.
Stretching the season past the first frost
Daly City's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Daly City's last frost
12/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/02 and only about 1 year in 10 sees frost after that.
Daly City against the rest of the dataset
About 365 days separate Daly City's last and first frost, putting it 512 of 40,283 ZIP codes nationally. Within CA, it ranks 222 of 2,555.
Learn more
Two guides worth reading on 94015: local microclimates, on what one yard in Daly City can differ from the 94015 normal, and zone vs. frost date, on why Zone 10a and Daly City's frost date answer different questions.