Port Hueneme, CA 93031 Frost Dates
Port Hueneme, CA: when does the frost end?
Typically, the last spring freeze lands around 12/29, roughly 123 days out. Fall's first freeze usually shows up around 12/24, roughly 365 days after the last spring frost.
Port Hueneme sits in USDA Zone 10b (35 to 40°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.
Stretching the season past the first frost
With roughly 17 weeks until Port Hueneme's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Port Hueneme's last frost
12/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/09 and only about 1 year in 10 sees frost after that.
Port Hueneme against the rest of the dataset
At roughly 365 frost-free days, Port Hueneme places 1,216 of 40,283 ZIP codes in this dataset. Within CA, it ranks 534 of 2,555.
Learn more
Before leaning on 93031's figures: zone vs. frost date explains why Zone 10b and Port Hueneme's frost date answer different questions, while the frost range explains how to read the range around Port Hueneme's dates instead of trusting one.