Kingman, AZ 86411 Frost Dates
Frost dates for Kingman, AZ, ZIP 86411
Around 05/17 is the usual last spring frost, about 262 days away. The first fall frost typically arrives around 10/10, about 146 frost-free days later.
The USDA Plant Hardiness Zone Map puts Kingman in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8a around Kingman has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Kingman's last frost
05/17 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingman compares
Kingman's growing season runs about 146 days, ranking 36,012 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 472 of 506.
Learn more
the frost range explains how to read the range around Kingman's dates instead of trusting one, and local microclimates explains what one yard in Kingman can differ from the 86411 normal.