Winslow, AZ 86047 Frost Dates
86047, near Winslow, AZ: the frost window
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/18, roughly 174 days after the last spring frost.
Winslow sits in USDA Zone 7a (0 to 5°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
Winslow's growing season runs out in roughly 7 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
04/27 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 05/14 and only about 1 year in 10 sees frost after that.
Winslow against the rest of the dataset
At roughly 174 frost-free days, Winslow places 27,409 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 436 of 506.
Learn more
Two guides worth reading on 86047: local microclimates, on what one yard in Winslow can differ from the 86047 normal, and zone vs. frost date, on why Zone 7a and Winslow's frost date answer different questions.