Jackson, WY 82922 Frost Dates
Frost dates for Jackson, WY, ZIP 82922
The NOAA station nearest to 82922 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 Jackson compares
Jackson's growing season runs about 49 days, ranking 40,222 of 40,283 US ZIP codes measured here, longest to shortest. Within WY, it ranks 186 of 192.
Learn more
local microclimates explains what one yard in Jackson can differ from the 82922 normal, and the methodology explains exactly which NOAA and USDA figures feed 82922's numbers.