Desert Hot Springs, CA 92240 Frost Dates
92240, near Desert Hot Springs, CA: the frost window
Around 01/09 is the usual last spring frost, about 134 days away. Fall's first freeze usually shows up around 01/09, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Desert Hot Springs in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Protecting what you plant early
About 19 weeks to go until the last frost in Desert Hot Springs — anything tender already in the ground is still at risk until that date passes, which is what frost cloth is for.
How much risk comes with planting early here
01/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Desert Hot Springs against the rest of the dataset
About 365 days separate Desert Hot Springs's last and first frost, putting it 1,021 of 40,283 ZIP codes nationally. Within CA, it ranks 441 of 2,555.
Learn more
Two guides worth reading on 92240: the frost range, on how to read the range around Desert Hot Springs's dates instead of trusting one, and local microclimates, on what one yard in Desert Hot Springs can differ from the 92240 normal.