Prescott Valley, AZ 86314 Frost Dates
Prescott Valley, AZ: when does the frost end?
The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/27, roughly 188 days after the last spring frost.
Prescott 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 Prescott 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 Prescott 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.
Prescott Valley against the rest of the dataset
At roughly 188 frost-free days, Prescott Valley places 21,832 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 420 of 506.
Learn more
Before leaning on 86314's figures: zone vs. frost date explains why Zone 7b and Prescott Valley's frost date answer different questions, while the frost range explains how to read the range around Prescott Valley's dates instead of trusting one.