Kingman, AZ 86441 Frost Dates
86441, near Kingman, AZ: the frost window
Typically, the last spring freeze lands around 01/07, roughly 132 days out. Fall's first freeze usually shows up around 12/29, roughly 358 days after the last spring frost.
Kingman sits in USDA Zone 9a (20 to 25°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
Kingman's growing season runs out in roughly 18 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
01/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/20 and only about 1 year in 10 sees frost after that.
Kingman against the rest of the dataset
At roughly 358 frost-free days, Kingman places 2,084 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 27 of 506.
Learn more
Two guides worth reading on 86441: the frost range, on how to read the range around Kingman's dates instead of trusting one, and local microclimates, on what one yard in Kingman can differ from the 86441 normal.