Coachella, CA 92255 Frost Dates
92255, near Coachella, CA: the frost window
Around 12/31 is the usual last spring frost, about 125 days away. Fall's first freeze usually shows up around 12/27, roughly 365 days after the last spring frost.
Zone 10a (30 to 35°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 Coachella, not a forecast for this year.
Stretching the season past the first frost
Coachella's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
12/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/10 and only about 1 year in 10 sees frost after that.
Coachella against the rest of the dataset
At roughly 365 frost-free days, Coachella places 931 of 40,283 ZIP codes in this dataset. Within CA, it ranks 383 of 2,555.
Learn more
Two guides worth reading on 92255: local microclimates, on what one yard in Coachella can differ from the 92255 normal, and zone vs. frost date, on why Zone 10a and Coachella's frost date answer different questions.