FrostDateCheck

Kiowa, CO 80117 Frost Dates

Frost dates for Kiowa, CO, ZIP 80117

Zone 5b

Typically, the last spring freeze lands around 05/16, roughly 261 days out. The first fall frost typically arrives around 10/02, about 137 frost-free days later.

The USDA Plant Hardiness Zone Map puts Kiowa 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 Kiowa has about 5 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 Kiowa's last frost

05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Kiowa compares

At roughly 137 frost-free days, Kiowa places 37,553 of 40,283 ZIP codes in this dataset. Within CO, it ranks 415 of 624.

Learn more

the frost range explains how to read the range around Kiowa's dates instead of trusting one, and local microclimates explains what one yard in Kiowa can differ from the 80117 normal.