Palmdale, CA 93553 Frost Dates
93553, near Palmdale, CA: the frost window
Typically, the last spring freeze lands around 03/13, roughly 197 days out. Fall's first freeze usually shows up around 12/01, roughly 258 days after the last spring frost.
Palmdale sits in USDA Zone 8b (15 to 20°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
Palmdale's growing season runs out in roughly 14 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 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 6,617 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,058 of 2,555.
Learn more
Two guides worth reading on 93553: the frost range, on how to read the range around Palmdale's dates instead of trusting one, and local microclimates, on what one yard in Palmdale can differ from the 93553 normal.