Leadville, CO 81228 Frost Dates
81228, near Leadville, CO: the frost window
The NOAA station nearest to 81228 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 5a (-20 to -15°F average annual minimum).
Leadville against the rest of the dataset
About 52 days separate Leadville's last and first frost, putting it 40,210 of 40,283 ZIP codes nationally. Within CO, it ranks 603 of 624.
Learn more
Two guides worth reading on 81228: local microclimates, on what one yard in Leadville can differ from the 81228 normal, and the methodology, on exactly which NOAA and USDA figures feed 81228's numbers.