Shasta Lake, CA 96065 Frost Dates
Frost dates for Shasta Lake, CA, ZIP 96065
Typically, the last spring freeze lands around 06/03, roughly 279 days out. The first fall frost typically arrives around 09/14, about 102 frost-free days later.
The USDA Plant Hardiness Zone Map puts Shasta Lake in Zone 9a (20 to 25°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 9a around Shasta Lake has about 2 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.
How much risk comes with planting early here
06/03 is the middle of 30 years of NOAA records, not a promise. Plant by 05/15 and you're betting against frost in roughly 9 years out of 10. 06/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Shasta Lake compares
At roughly 102 frost-free days, Shasta Lake places 39,643 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,517 of 2,555.
Learn more
the frost range explains how to read the range around Shasta Lake's dates instead of trusting one, and local microclimates explains what one yard in Shasta Lake can differ from the 96065 normal.