Santee, CA 92071 Frost Dates
Santee, CA: when does the frost end?
Around 01/06 is the usual last spring frost, about 131 days away. Fall's first freeze usually shows up around 12/21, roughly 350 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Santee in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 16 weeks until Santee's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Santee's last frost
01/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/13 and only about 1 year in 10 sees frost after that.
Santee against the rest of the dataset
About 350 days separate Santee's last and first frost, putting it 2,326 of 40,283 ZIP codes nationally. Within CA, it ranks 1,032 of 2,555.
Learn more
Before leaning on 92071's figures: local microclimates explains what one yard in Santee can differ from the 92071 normal, while zone vs. frost date explains why Zone 10a and Santee's frost date answer different questions.