Huron, CA 93624 Frost Dates
When can you plant in Huron, CA?
Typically, the last spring freeze lands around 02/27, roughly 183 days out. The first fall frost typically arrives around 11/26, about 271 frost-free days later.
Huron 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 13 weeks of growing season left in Huron 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
02/27 is the middle of 30 years of NOAA records, not a promise. Plant by 01/21 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Huron compares
At roughly 271 frost-free days, Huron places 5,431 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,887 of 2,555.
Learn more
local microclimates covers what one yard in Huron can differ from the 93624 normal. zone vs. frost date covers why Zone 9b and Huron's frost date answer different questions.