Winslow, AZ 86510 Frost Dates
When can you plant in Winslow, AZ?
The last spring frost here typically falls around 05/16, about 261 days from today. The first fall frost typically arrives around 10/10, about 147 frost-free days later.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Winslow, not a forecast for this year.
What to do before the first frost
About 6 weeks of growing season left in Winslow before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winslow compares
At roughly 147 frost-free days, Winslow places 35,880 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 468 of 506.
Learn more
local microclimates covers what one yard in Winslow can differ from the 86510 normal. zone vs. frost date covers why Zone 6b and Winslow's frost date answer different questions.