Oak Creek, CO 80477 Frost Dates
Frost dates for Oak Creek, CO, ZIP 80477
Typically, the last spring freeze lands around 06/09, roughly 285 days out. The first fall frost typically arrives around 09/12, about 93 frost-free days later.
The USDA Plant Hardiness Zone Map puts Oak Creek in Zone 4b (-25 to -20°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 4b around Oak Creek has about 2 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.
How much risk comes with planting early here
06/09 is the middle of 30 years of NOAA records, not a promise. Plant by 05/25 and you're betting against frost in roughly 9 years out of 10. 06/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oak Creek compares
At roughly 93 frost-free days, Oak Creek places 39,875 of 40,283 ZIP codes in this dataset. Within CO, it ranks 541 of 624.
Learn more
local microclimates explains what one yard in Oak Creek can differ from the 80477 normal, and zone vs. frost date explains why Zone 4b and Oak Creek's frost date answer different questions.