FrostDateCheck

Wray, CO 80755 Frost Dates

Frost dates for Wray, CO, ZIP 80755

Zone 5b

Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/06, about 151 frost-free days later.

The USDA Plant Hardiness Zone Map puts Wray in Zone 5b (-15 to -10°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 5b around Wray 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.

How much risk comes with planting early here

05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Wray compares

Wray's growing season runs about 151 days, ranking 35,050 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 313 of 624.

Learn more

local microclimates explains what one yard in Wray can differ from the 80755 normal, and zone vs. frost date explains why Zone 5b and Wray's frost date answer different questions.