Frost dates in Whitman County, Washington
The average last spring frost in Whitman County falls Apr 6 to May 15 and the average first fall frost Sep 21 to Oct 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Albion, Colfax, Colton, Endicott, Farmington, Garfield. 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 |
|---|---|---|---|---|
| 99017 | Lamont | Apr 29 | Oct 4 | 6b |
| 99033 | Tekoa | May 11 | Oct 5 | 6b |
| 99102 | Albion | May 6 | Sep 29 | 7a |
| 99111 | Colfax | May 6 | Sep 29 | 7a |
| 99113 | Colton | Apr 29 | Oct 2 | 7a |
| 99125 | Endicott | Apr 29 | Oct 4 | 7a |
| 99128 | Farmington | May 15 | Sep 21 | 6b |
| 99130 | Garfield | May 15 | Sep 21 | 6b |
| 99136 | May 13 | Sep 26 | 7a | |
| 99143 | LaCrosse | May 13 | Sep 26 | 7a |
| 99149 | Malden | May 7 | Sep 28 | 6b |
| 99158 | Oakesdale | May 7 | Sep 28 | 6b |
| 99161 | Palouse | May 6 | Sep 29 | 6b |
| 99163 | Pullman | May 6 | Sep 29 | 6b |
| 99170 | Rosalia | May 7 | Sep 28 | 6b |
| 99171 | St. John | Apr 29 | Oct 4 | 6b |
| 99174 | Steptoe | Apr 29 | Oct 4 | 6b |
| 99176 | Apr 29 | Oct 4 | 6b | |
| 99179 | Uniontown | Apr 6 | Oct 26 | 7a |
| 99333 | May 13 | Sep 26 | 7a |
Nearby counties
Garfield County Columbia County Spokane County Asotin County Adams County Lincoln County
All Washington counties · Download Washington frost dates (CSV)
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