Winslow, AZ 86043 Frost Dates
86043, near Winslow, AZ: the frost window
Around 05/16 is the usual last spring frost, about 261 days away. Fall's first freeze usually shows up around 10/10, roughly 147 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 6 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
05/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/05 and only about 1 year in 10 sees frost after that.
Winslow against the rest of the dataset
About 147 days separate Winslow's last and first frost, putting it 35,879 of 40,283 ZIP codes nationally. Within AZ, it ranks 467 of 506.
Learn more
Two guides worth reading on 86043: zone vs. frost date, on why Zone 7a and Winslow's frost date answer different questions, and the frost range, on how to read the range around Winslow's dates instead of trusting one.