Huron, CA 93246 Frost Dates
When can you plant in Huron, CA?
The last spring frost here typically falls around 02/19, about 175 days from today. The first fall frost typically arrives around 11/29, about 281 frost-free days later.
Zone 9a (20 to 25°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 Huron, not a forecast for this year.
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
02/19 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. 03/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Huron compares
At roughly 281 frost-free days, Huron places 4,802 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,774 of 2,555.
Learn more
the frost range covers how to read the range around Huron's dates instead of trusting one. local microclimates covers what one yard in Huron can differ from the 93246 normal.