Manteca, CA 95337 Frost Dates
When can you plant in Manteca, CA?
Around 02/06 is the usual last spring frost, about 162 days away. The first fall frost typically arrives around 12/01, about 304 frost-free days later.
Manteca 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.
What to do before the first frost
About 14 weeks of growing season left in Manteca before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
02/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Manteca compares
At roughly 304 frost-free days, Manteca places 3,748 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,517 of 2,555.
Learn more
the frost range covers how to read the range around Manteca's dates instead of trusting one. local microclimates covers what one yard in Manteca can differ from the 95337 normal.