FrostDateCheck

Manitou Springs, CO 80905 Frost Dates

Frost dates for Manitou Springs, CO, ZIP 80905

Zone 6a

Around 06/03 is the usual last spring frost, about 279 days away. The first fall frost typically arrives around 09/17, about 102 frost-free days later.

Manitou Springs sits in USDA Zone 6a (-10 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 6a around Manitou Springs has about 3 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 Manitou Springs's last frost

06/03 is the middle of 30 years of NOAA records, not a promise. Plant by 05/21 and you're betting against frost in roughly 9 years out of 10. 06/23 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Manitou Springs compares

At roughly 102 frost-free days, Manitou Springs places 39,652 of 40,283 ZIP codes in this dataset. Within CO, it ranks 524 of 624.

Learn more

local microclimates explains what one yard in Manitou Springs can differ from the 80905 normal, and zone vs. frost date explains why Zone 6a and Manitou Springs's frost date answer different questions.