Parlier, CA 93648 Frost Dates
93648, near Parlier, CA: the frost window
Around 01/14 is the usual last spring frost, about 139 days away. Fall's first freeze usually shows up around 12/14, roughly 337 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Parlier 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
Parlier's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
01/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/22 and only about 1 year in 10 sees frost after that.
Parlier against the rest of the dataset
At roughly 337 frost-free days, Parlier places 2,702 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,225 of 2,555.
Learn more
Two guides worth reading on 93648: zone vs. frost date, on why Zone 9b and Parlier's frost date answer different questions, and the frost range, on how to read the range around Parlier's dates instead of trusting one.