Shafter, CA 93314 Frost Dates
Shafter, CA: when does the frost end?
The last spring frost here typically falls around 01/17, about 142 days from today. Fall's first freeze usually shows up around 12/15, roughly 334 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 Shafter, not a forecast for this year.
Stretching the season past the first frost
With roughly 16 weeks until Shafter'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
01/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/23 and only about 1 year in 10 sees frost after that.
Shafter against the rest of the dataset
About 334 days separate Shafter's last and first frost, putting it 2,764 of 40,283 ZIP codes nationally. Within CA, it ranks 1,254 of 2,555.
Learn more
Before leaning on 93314's figures: the frost range explains how to read the range around Shafter's dates instead of trusting one, while local microclimates explains what one yard in Shafter can differ from the 93314 normal.