Monterey Park, CA 91755 Frost Dates
Monterey Park, CA: when does the frost end?
Typically, the last spring freeze lands around 01/04, roughly 129 days out. Fall's first freeze usually shows up around 01/02, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Monterey Park 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 18 weeks until Monterey Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Monterey Park's last frost
01/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/19 and only about 1 year in 10 sees frost after that.
Monterey Park against the rest of the dataset
At roughly 365 frost-free days, Monterey Park places 800 of 40,283 ZIP codes in this dataset. Within CA, it ranks 342 of 2,555.
Learn more
Before leaning on 91755's figures: the frost range explains how to read the range around Monterey Park's dates instead of trusting one, while local microclimates explains what one yard in Monterey Park can differ from the 91755 normal.