South Lake Tahoe, CA 89410 Frost Dates
South Lake Tahoe, CA: when does the frost end?
Typically, the last spring freeze lands around 06/07, roughly 283 days out. Fall's first freeze usually shows up around 09/28, roughly 113 days after the last spring frost.
South Lake Tahoe sits in USDA Zone 7a (0 to 5°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.
Stretching the season past the first frost
With roughly 4 weeks until South Lake Tahoe's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around South Lake Tahoe's last frost
06/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/24 and only about 1 year in 10 sees frost after that.
South Lake Tahoe against the rest of the dataset
South Lake Tahoe's growing season runs about 113 days, ranking 39,381 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,493 of 2,555.
Learn more
Before leaning on 89410's figures: the frost range explains how to read the range around South Lake Tahoe's dates instead of trusting one, while local microclimates explains what one yard in South Lake Tahoe can differ from the 89410 normal.