Placerville, CA 95613 Frost Dates
95613, near Placerville, CA: the frost window
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/21, roughly 237 days after the last spring frost.
Placerville 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.
Stretching the season past the first frost
Placerville's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/31 isn't a guarantee
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Placerville against the rest of the dataset
About 237 days separate Placerville's last and first frost, putting it 9,087 of 40,283 ZIP codes nationally. Within CA, it ranks 2,131 of 2,555.
Learn more
Two guides worth reading on 95613: zone vs. frost date, on why Zone 9b and Placerville's frost date answer different questions, and the frost range, on how to read the range around Placerville's dates instead of trusting one.