Sanger, CA 93737 Frost Dates
93737, near Sanger, 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 Sanger 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
Sanger'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.
The actual range around Sanger's last frost
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.
Sanger against the rest of the dataset
Sanger's growing season runs about 337 days, ranking 2,670 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,193 of 2,555.
Learn more
Two guides worth reading on 93737: the frost range, on how to read the range around Sanger's dates instead of trusting one, and local microclimates, on what one yard in Sanger can differ from the 93737 normal.