Bennett, CO 80248 Frost Dates
Frost dates for Bennett, CO, ZIP 80248
The last spring frost here typically falls around 05/05, about 250 days from today. The first fall frost typically arrives around 10/09, about 156 frost-free days later.
The USDA Plant Hardiness Zone Map puts Bennett in Zone 6a (-10 to -5°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 6a around Bennett 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 Bennett's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 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 Bennett compares
Bennett's growing season runs about 156 days, ranking 33,610 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 223 of 624.
Learn more
zone vs. frost date explains why Zone 6a and Bennett's frost date answer different questions, and the frost range explains how to read the range around Bennett's dates instead of trusting one.