Douglas, AZ 85608 Frost Dates
85608, near Douglas, AZ: the frost window
The last spring frost here typically falls around 05/03, about 248 days from today. Fall's first freeze usually shows up around 10/25, roughly 174 days after the last spring frost.
Douglas sits in USDA Zone 8a (10 to 15°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
Douglas'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.
The actual range around Douglas's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Douglas against the rest of the dataset
At roughly 174 frost-free days, Douglas places 27,384 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 434 of 506.
Learn more
Two guides worth reading on 85608: zone vs. frost date, on why Zone 8a and Douglas's frost date answer different questions, and the frost range, on how to read the range around Douglas's dates instead of trusting one.