Show Low, AZ 85912 Frost Dates
Frost dates for Show Low, AZ, ZIP 85912
Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/15, about 162 frost-free days later.
Show Low 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.
What to do before the first frost
Zone 7a around Show Low has about 7 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 Show Low's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Show Low compares
About 162 days separate Show Low's last and first frost, putting it 31,683 of 40,283 ZIP codes nationally. Within AZ, it ranks 451 of 506.
Learn more
local microclimates explains what one yard in Show Low can differ from the 85912 normal, and zone vs. frost date explains why Zone 7a and Show Low's frost date answer different questions.