Saratoga, CA 95070 Frost Dates
Saratoga, CA: when does the frost end?
Typically, the last spring freeze lands around 02/02, roughly 158 days out. Fall's first freeze usually shows up around 12/06, roughly 310 days after the last spring frost.
Saratoga 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
With roughly 14 weeks until Saratoga's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Saratoga's last frost
02/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/31 and only about 1 year in 10 sees frost after that.
Saratoga against the rest of the dataset
At roughly 310 frost-free days, Saratoga places 3,564 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,480 of 2,555.
Learn more
Before leaning on 95070's figures: zone vs. frost date explains why Zone 9b and Saratoga's frost date answer different questions, while the frost range explains how to read the range around Saratoga's dates instead of trusting one.