Opal, WY 83124 Frost Dates
Frost dates for Opal, WY, ZIP 83124
The NOAA station nearest to 83124 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 4b (-25 to -20°F average annual minimum).
How Opal compares
About 69 days separate Opal's last and first frost, putting it 40,136 of 40,283 ZIP codes nationally. Within WY, it ranks 174 of 192.
Learn more
local microclimates explains what one yard in Opal can differ from the 83124 normal, and the methodology explains exactly which NOAA and USDA figures feed 83124's numbers.