Port Hueneme, CA 93094 Frost Dates
Frost dates for Port Hueneme, CA, ZIP 93094
Around 12/29 is the usual last spring frost, about 123 days away. The first fall frost typically arrives around 12/24, about 365 frost-free days later.
The USDA Plant Hardiness Zone Map puts Port Hueneme in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
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.
Why 12/29 isn't a guarantee
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 1,227 of 40,283 ZIP codes in this dataset. Within CA, it ranks 545 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 93094 normal.