FrostDateCheck

Port Hueneme, CA 93007 Frost Dates

Frost dates for Port Hueneme, CA, ZIP 93007

Zone 10a

Typically, the last spring freeze lands around 12/29, roughly 123 days out. The first fall frost typically arrives around 12/24, about 365 frost-free days later.

Zone 10a (30 to 35°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 Port Hueneme, not a forecast for this year.

What to do before the first frost

Zone 10a around Port Hueneme has about 17 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Port Hueneme's last frost

12/29 is the middle of 30 years of NOAA records, not a promise. Plant by 01/15 and you're betting against frost in roughly 9 years out of 10. 12/09 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Port Hueneme compares

At roughly 365 frost-free days, Port Hueneme places 1,211 of 40,283 ZIP codes in this dataset. Within CA, it ranks 529 of 2,555.

Learn more

the frost range explains how to read the range around Port Hueneme's dates instead of trusting one, and local microclimates explains what one yard in Port Hueneme can differ from the 93007 normal.