Placerville, CA 95619 Frost Dates
Placerville, CA: when does the frost end?
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.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Placerville, not a forecast for this year.
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.
The actual range around Placerville's last frost
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 9,088 of 40,283 ZIP codes nationally. Within CA, it ranks 2,132 of 2,555.
Learn more
Before leaning on 95619's figures: the frost range explains how to read the range around Placerville's dates instead of trusting one, while local microclimates explains what one yard in Placerville can differ from the 95619 normal.