Placerville, CA 95633 Frost Dates
Placerville, CA: when does the frost end?
Typically, the last spring freeze lands around 04/12, roughly 227 days out. Fall's first freeze usually shows up around 11/21, roughly 221 days after the last spring frost.
Placerville sits in USDA Zone 9a (20 to 25°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
With roughly 12 weeks until Placerville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/12 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 05/10 and only about 1 year in 10 sees frost after that.
Placerville against the rest of the dataset
At roughly 221 frost-free days, Placerville places 12,479 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,178 of 2,555.
Learn more
Before leaning on 95633's figures: zone vs. frost date explains why Zone 9a and Placerville's frost date answer different questions, while the frost range explains how to read the range around Placerville's dates instead of trusting one.