FrostDateCheck

Chino Valley, AZ 86313 Frost Dates

Chino Valley, AZ: when does the frost end?

Zone 7b

Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/27, roughly 188 days after the last spring frost.

Chino Valley sits in USDA Zone 7b (5 to 10°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

With roughly 9 weeks until Chino Valley's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Chino Valley's last frost

04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.

Chino Valley against the rest of the dataset

About 188 days separate Chino Valley's last and first frost, putting it 21,893 of 40,283 ZIP codes nationally. Within AZ, it ranks 422 of 506.

Learn more

Before leaning on 86313's figures: local microclimates explains what one yard in Chino Valley can differ from the 86313 normal, while zone vs. frost date explains why Zone 7b and Chino Valley's frost date answer different questions.