Frost dates in Yamhill County, Oregon
The average last spring frost in Yamhill County falls Mar 21 to May 20 and the average first fall frost Oct 23 to Nov 22, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 8b. Places: Amity, Carlton, Dayton, Dundee, Fort Hill, Grand Ronde. 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 |
|---|---|---|---|---|
| 97101 | Amity | Apr 15 | Oct 26 | 8b |
| 97111 | Carlton | Apr 5 | Nov 7 | 8b |
| 97114 | Dayton | Apr 15 | Oct 26 | 8b |
| 97115 | Dundee | Mar 21 | Nov 22 | 8b |
| 97127 | Lafayette | Apr 5 | Nov 7 | 8b |
| 97128 | McMinnville | Apr 5 | Nov 7 | 8b |
| 97132 | Newberg | Mar 21 | Nov 22 | 8b |
| 97148 | Yamhill | Apr 5 | Nov 7 | 8b |
| 97347 | Grand Ronde | May 20 | Oct 23 | 8b |
| 97378 | Sheridan | Apr 16 | Nov 1 | 8b |
| 97396 | Fort Hill | May 20 | Oct 23 | 8b |
Nearby counties
Polk County Washington County Marion County Tillamook County Multnomah County Clackamas County
All Oregon counties · Download Oregon frost dates (CSV)
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