Frost dates in Franklin County, Washington
The average last spring frost in Franklin County falls Apr 21 to Apr 30 and the average first fall frost Oct 12 to Oct 22, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a. Places: Basin City, Connell, Kahlotus, Pasco. 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 |
|---|---|---|---|---|
| 99301 | Pasco | Apr 30 | Oct 13 | 7a |
| 99326 | Connell | Apr 30 | Oct 12 | 7a |
| 99330 | Apr 30 | Oct 13 | 7a | |
| 99335 | Kahlotus | Apr 25 | Oct 15 | 7a |
| 99343 | Basin City | Apr 21 | Oct 22 | 7a |
Nearby counties
Adams County Walla Walla County Benton County Columbia County Grant County Garfield County
All Washington counties · Download Washington frost dates (CSV)
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