Raymer (New Raymer), CO 80754 Frost Dates
Frost dates for Raymer (New Raymer), CO, ZIP 80754
The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 10/04, about 146 frost-free days later.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Raymer (New Raymer), not a forecast for this year.
What to do before the first frost
Zone 5b around Raymer (New Raymer) 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 Raymer (New Raymer)'s last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Raymer (New Raymer) compares
At roughly 146 frost-free days, Raymer (New Raymer) places 36,144 of 40,283 ZIP codes in this dataset. Within CO, it ranks 367 of 624.
Learn more
local microclimates explains what one yard in Raymer (New Raymer) can differ from the 80754 normal, and zone vs. frost date explains why Zone 5b and Raymer (New Raymer)'s frost date answer different questions.