Unity, OR 97837 Frost Dates
Frost dates for Unity, OR, ZIP 97837
The NOAA station nearest to 97837 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 Unity compares
About 74 days separate Unity's last and first frost, putting it 40,101 of 40,283 ZIP codes nationally. Within OR, it ranks 444 of 463.
Learn more
zone vs. frost date explains why Zone 6a and Unity's frost date answer different questions, and local microclimates explains what one yard in Unity can differ from the 97837 normal.