Fredonia, AZ 86022 Frost Dates
86022, near Fredonia, AZ: the frost window
The last spring frost here typically falls around 04/29, about 244 days from today. Fall's first freeze usually shows up around 10/22, roughly 175 days after the last spring frost.
Zone 7a (0 to 5°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 Fredonia, not a forecast for this year.
Stretching the season past the first frost
Fredonia's growing season runs out in roughly 8 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
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Fredonia against the rest of the dataset
At roughly 175 frost-free days, Fredonia places 27,057 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 433 of 506.
Learn more
Two guides worth reading on 86022: zone vs. frost date, on why Zone 7a and Fredonia's frost date answer different questions, and the frost range, on how to read the range around Fredonia's dates instead of trusting one.