Elizabeth, CO 80107 Frost Dates
Frost dates for Elizabeth, CO, ZIP 80107
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.
Elizabeth sits in USDA Zone 5b (-15 to -10°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 5b around Elizabeth 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 Elizabeth'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 Elizabeth compares
About 137 days separate Elizabeth's last and first frost, putting it 37,515 of 40,283 ZIP codes nationally. Within CO, it ranks 412 of 624.
Learn more
the frost range explains how to read the range around Elizabeth's dates instead of trusting one, and local microclimates explains what one yard in Elizabeth can differ from the 80107 normal.