Shasta Lake, CA 96024 Frost Dates
Shasta Lake, CA: when does the frost end?
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/11, roughly 159 days after the last spring frost.
Zone 8b (15 to 20°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 Shasta Lake, not a forecast for this year.
Stretching the season past the first frost
With roughly 6 weeks until Shasta Lake's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Shasta Lake's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/27 and only about 1 year in 10 sees frost after that.
Shasta Lake against the rest of the dataset
Shasta Lake's growing season runs about 159 days, ranking 32,624 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,419 of 2,555.
Learn more
Before leaning on 96024's figures: the frost range explains how to read the range around Shasta Lake's dates instead of trusting one, while local microclimates explains what one yard in Shasta Lake can differ from the 96024 normal.