Kingman, AZ 86431 Frost Dates
When can you plant in Kingman, AZ?
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/11, about 220 frost-free days later.
The USDA Plant Hardiness Zone Map puts Kingman in Zone 8b (15 to 20°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
About 11 weeks of growing season left in Kingman before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Kingman's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingman compares
Kingman's growing season runs about 220 days, ranking 12,693 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 356 of 506.
Learn more
the frost range covers how to read the range around Kingman's dates instead of trusting one. local microclimates covers what one yard in Kingman can differ from the 86431 normal.