FrostDateCheck

Kit Carson, CO 80825 Frost Dates

Frost dates for Kit Carson, CO, ZIP 80825

Zone 5b

Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/01, about 142 frost-free days later.

Zone 5b (-15 to -10°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 Kit Carson, not a forecast for this year.

What to do before the first frost

Zone 5b around Kit Carson 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 Kit Carson's last frost

05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Kit Carson compares

At roughly 142 frost-free days, Kit Carson places 36,824 of 40,283 ZIP codes in this dataset. Within CO, it ranks 398 of 624.

Learn more

zone vs. frost date explains why Zone 5b and Kit Carson's frost date answer different questions, and the frost range explains how to read the range around Kit Carson's dates instead of trusting one.