Port Hueneme, CA 93032 Frost Dates
Frost dates for Port Hueneme, CA, ZIP 93032
The last spring frost here typically falls around 12/29, about 123 days from today. The first fall frost typically arrives around 12/24, about 365 frost-free days later.
Zone 10b (35 to 40°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 10b 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.
How much risk comes with planting early here
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 1,217 of 40,283 ZIP codes in this dataset. Within CA, it ranks 535 of 2,555.
Learn more
zone vs. frost date explains why Zone 10b and Port Hueneme's frost date answer different questions, and the frost range explains how to read the range around Port Hueneme's dates instead of trusting one.