Point Arena, CA 95432 Frost Dates
Point Arena, CA: when does the frost end?
Typically, the last spring freeze lands around 03/19, roughly 203 days out. Fall's first freeze usually shows up around 11/20, roughly 245 days after the last spring frost.
Point Arena sits in USDA Zone 9b (25 to 30°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
With roughly 12 weeks until Point Arena's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 03/19 isn't a guarantee
03/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Point Arena against the rest of the dataset
Point Arena's growing season runs about 245 days, ranking 8,067 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,108 of 2,555.
Learn more
Before leaning on 95432's figures: local microclimates explains what one yard in Point Arena can differ from the 95432 normal, while zone vs. frost date explains why Zone 9b and Point Arena's frost date answer different questions.