Blue Lake, CA 95518 Frost Dates
Frost dates for Blue Lake, CA, ZIP 95518
The last spring frost here typically falls around 03/08, about 192 days from today. The first fall frost typically arrives around 11/30, about 262 frost-free days later.
The USDA Plant Hardiness Zone Map puts Blue Lake in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Blue Lake has about 13 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 Blue Lake's last frost
03/08 is the middle of 30 years of NOAA records, not a promise. Plant by 01/13 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blue Lake compares
At roughly 262 frost-free days, Blue Lake places 6,239 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,028 of 2,555.
Learn more
local microclimates explains what one yard in Blue Lake can differ from the 95518 normal, and zone vs. frost date explains why Zone 9b and Blue Lake's frost date answer different questions.