Swan Valley, ID 83449 Frost Dates
Frost dates for Swan Valley, ID, ZIP 83449
The NOAA station nearest to 83449 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 6a (-10 to -5°F average annual minimum).
How Swan Valley compares
About 69 days separate Swan Valley's last and first frost, putting it 40,132 of 40,283 ZIP codes nationally. Within ID, it ranks 300 of 320.
Learn more
local microclimates explains what one yard in Swan Valley can differ from the 83449 normal, and the methodology explains exactly which NOAA and USDA figures feed 83449's numbers.