Frost dates in Wallowa County, Oregon
The average last spring frost in Wallowa County falls May 24 to Jun 8 and the average first fall frost Sep 5 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 7a. Places: Enterprise, Lostine, Wallowa, Wallowa Lake. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 97828 | Enterprise | Jun 8 | Sep 5 | 7a |
| 97842 | Jun 8 | Sep 5 | 6b | |
| 97846 | Wallowa Lake | May 24 | Oct 1 | 6a |
| 97857 | Lostine | May 24 | Oct 1 | 6a |
| 97885 | Wallowa | Jun 7 | Sep 9 | 6b |
Nearby counties
Union County Baker County Umatilla County Grant County Morrow County Malheur County
All Oregon counties · Download Oregon frost dates (CSV)
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