FrostDateCheck

Coachella, CA 92589 Frost Dates

92589, near Coachella, CA: the frost window

Zone 9b

Typically, the last spring freeze lands around 12/31, roughly 125 days out. Fall's first freeze usually shows up around 12/27, roughly 365 days after the last spring frost.

Coachella sits in USDA Zone 9b (25 to 30°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

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 947 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 399 of 2,555.

Learn more

Two guides worth reading on 92589: the frost range, on how to read the range around Coachella's dates instead of trusting one, and local microclimates, on what one yard in Coachella can differ from the 92589 normal.