Westlake Village, CA 91361 Frost Dates
Westlake Village, CA: when does the frost end?
The last spring frost here typically falls around 12/31, about 125 days from today. 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 Westlake Village 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 Westlake Village'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
12/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/11 and only about 1 year in 10 sees frost after that.
Westlake Village against the rest of the dataset
About 365 days separate Westlake Village's last and first frost, putting it 1,750 of 40,283 ZIP codes nationally. Within CA, it ranks 855 of 2,555.
Learn more
Before leaning on 91361's figures: the frost range explains how to read the range around Westlake Village's dates instead of trusting one, while local microclimates explains what one yard in Westlake Village can differ from the 91361 normal.