Point Arena, CA 95459 Frost Dates
Frost dates for Point Arena, CA, ZIP 95459
Typically, the last spring freeze lands around 03/05, roughly 189 days out. The first fall frost typically arrives around 11/21, about 259 frost-free days later.
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.
What to do before the first frost
Zone 9b around Point Arena has about 12 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Point Arena's last frost
03/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/29 and you're betting against frost in roughly 9 years out of 10. 04/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Point Arena compares
About 259 days separate Point Arena's last and first frost, putting it 6,607 of 40,283 ZIP codes nationally. Within CA, it ranks 2,055 of 2,555.
Learn more
zone vs. frost date explains why Zone 9b and Point Arena's frost date answer different questions, and the frost range explains how to read the range around Point Arena's dates instead of trusting one.