FrostDateCheck

Marina, CA 93933 Frost Dates

93933, near Marina, CA: the frost window

Zone 10a

Around 01/03 is the usual last spring frost, about 128 days away. Fall's first freeze usually shows up around 12/28, roughly 365 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Marina in Zone 10a (30 to 35°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

Marina's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Marina's last frost

01/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/12 and only about 1 year in 10 sees frost after that.

Marina against the rest of the dataset

At roughly 365 frost-free days, Marina places 1,202 of 40,283 ZIP codes in this dataset. Within CA, it ranks 521 of 2,555.

Learn more

Two guides worth reading on 93933: zone vs. frost date, on why Zone 10a and Marina's frost date answer different questions, and the frost range, on how to read the range around Marina's dates instead of trusting one.