FrostDateCheck

Kingman, AZ 86443 Frost Dates

Kingman, AZ: when does the frost end?

Zone 9b

Around 04/02 is the usual last spring frost, about 217 days away. Fall's first freeze usually shows up around 11/11, roughly 220 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Kingman in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

With roughly 11 weeks until Kingman's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

How much risk comes with planting early here

04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.

Kingman against the rest of the dataset

About 220 days separate Kingman's last and first frost, putting it 12,694 of 40,283 ZIP codes nationally. Within AZ, it ranks 357 of 506.

Learn more

Before leaning on 86443's figures: the frost range explains how to read the range around Kingman's dates instead of trusting one, while local microclimates explains what one yard in Kingman can differ from the 86443 normal.