Glendale, CO 80262 Frost Dates
Frost dates for Glendale, CO, ZIP 80262
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/12, about 165 frost-free days later.
Glendale 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 Glendale 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.
The actual range around Glendale's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Glendale compares
Glendale's growing season runs about 165 days, ranking 30,559 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 54 of 624.
Learn more
zone vs. frost date explains why Zone 6a and Glendale's frost date answer different questions, and the frost range explains how to read the range around Glendale's dates instead of trusting one.