Patterson, CA 95313 Frost Dates
Patterson, CA: when does the frost end?
Typically, the last spring freeze lands around 02/26, roughly 182 days out. Fall's first freeze usually shows up around 11/29, roughly 273 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Patterson in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 13 weeks until Patterson'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
02/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Patterson against the rest of the dataset
About 273 days separate Patterson's last and first frost, putting it 5,192 of 40,283 ZIP codes nationally. Within CA, it ranks 1,831 of 2,555.
Learn more
Before leaning on 95313's figures: zone vs. frost date explains why Zone 9b and Patterson's frost date answer different questions, while the frost range explains how to read the range around Patterson's dates instead of trusting one.