Blue Lake, CA 95573 Frost Dates
Blue Lake, CA: when does the frost end?
The last spring frost here typically falls around 03/08, about 192 days from today. Fall's first freeze usually shows up around 11/30, roughly 262 days after the last spring frost.
Zone 9a (20 to 25°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Blue Lake, not a forecast for this year.
Stretching the season past the first frost
With roughly 13 weeks until Blue Lake'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
03/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/13 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.
Blue Lake against the rest of the dataset
About 262 days separate Blue Lake's last and first frost, putting it 6,241 of 40,283 ZIP codes nationally. Within CA, it ranks 2,030 of 2,555.
Learn more
Before leaning on 95573's figures: local microclimates explains what one yard in Blue Lake can differ from the 95573 normal, while zone vs. frost date explains why Zone 9a and Blue Lake's frost date answer different questions.