FrostDateCheck

Palmdale, CA 93591 Frost Dates

Palmdale, CA: when does the frost end?

Zone 8b

The last spring frost here typically falls around 03/13, about 197 days from today. Fall's first freeze usually shows up around 12/01, roughly 258 days after the last spring frost.

Zone 8b (15 to 20°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 Palmdale, not a forecast for this year.

Stretching the season past the first frost

With roughly 14 weeks until Palmdale's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Palmdale's last frost

03/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.

Palmdale against the rest of the dataset

At roughly 258 frost-free days, Palmdale places 6,618 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,059 of 2,555.

Learn more

Before leaning on 93591's figures: local microclimates explains what one yard in Palmdale can differ from the 93591 normal, while zone vs. frost date explains why Zone 8b and Palmdale's frost date answer different questions.