Frost dates in Adams County, Washington
The average last spring frost in Adams County falls Apr 25 to May 13 and the average first fall frost Sep 26 to Oct 15, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Lind, Othello, Ritzville, Washtucna. 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 |
|---|---|---|---|---|
| 99105 | May 13 | Sep 26 | 7a | |
| 99169 | Ritzville | May 7 | Oct 10 | 6b |
| 99341 | Lind | May 7 | Oct 4 | 7a |
| 99344 | Othello | Apr 30 | Oct 12 | 7a |
| 99371 | Washtucna | Apr 25 | Oct 15 | 7a |
Nearby counties
Franklin County Columbia County Lincoln County Grant County Whitman County Walla Walla County
All Washington counties · Download Washington frost dates (CSV)
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