FrostDateCheck

Port Hueneme, CA 93044 Frost Dates

Port Hueneme, CA: when does the frost end?

Zone 10b

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.

The USDA Plant Hardiness Zone Map puts Port Hueneme in Zone 10b (35 to 40°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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.

How much risk comes with planting early here

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

Port Hueneme's growing season runs about 365 days, ranking 1,224 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 542 of 2,555.

Learn more

Before leaning on 93044'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.