FrostDateCheck

Coachella, CA 92581 Frost Dates

92581, near Coachella, CA: the frost window

Zone 9b

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.

The USDA Plant Hardiness Zone Map puts Coachella in Zone 9b (25 to 30°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

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.

The actual range around Coachella's last frost

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

Coachella's growing season runs about 365 days, ranking 946 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 398 of 2,555.

Learn more

Two guides worth reading on 92581: local microclimates, on what one yard in Coachella can differ from the 92581 normal, and zone vs. frost date, on why Zone 9b and Coachella's frost date answer different questions.