Frost dates in Sherman County, Oregon
The average last spring frost in Sherman County falls May 12 to May 19 and the average first fall frost Sep 25 to Oct 11, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 8a. Places: Grass Valley, Moro, Rufus, Wasco. 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 |
|---|---|---|---|---|
| 97029 | Grass Valley | May 15 | Oct 11 | 7a |
| 97033 | May 15 | Oct 11 | 7a | |
| 97039 | Moro | May 12 | Oct 4 | 7a |
| 97050 | Rufus | May 19 | Sep 25 | 8a |
| 97065 | Wasco | May 12 | Oct 4 | 7b |
Nearby counties
Gilliam County Wasco County Hood River County Wheeler County Morrow County Jefferson County
All Oregon counties · Download Oregon frost dates (CSV)
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