Frost dates in Riley County, Kansas
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The average last spring frost in Riley County falls Apr 12 to Apr 22 and the average first fall frost Oct 16 to Oct 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 6b. Places: Fort Riley, Leonardville, Manhattan, Ogden, Randolph, Riley. 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 |
|---|---|---|---|---|
| 66442 | Fort Riley | Apr 12 | Oct 26 | 6b |
| 66449 | Leonardville | Apr 19 | Oct 19 | 6b |
| 66502 | Manhattan | Apr 16 | Oct 19 | 6a |
| 66503 | Manhattan | Apr 22 | Oct 20 | 6b |
| 66506 | Manhattan | Apr 16 | Oct 19 | 6a |
| 66517 | Ogden | Apr 21 | Oct 16 | 6b |
| 66531 | Riley | Apr 22 | Oct 20 | 6b |
| 66554 | Randolph | Apr 19 | Oct 19 | 6a |
Nearby counties
Geary County Clay County Pottawatomie County Dickinson County Wabaunsee County Morris County
All Kansas counties · Download Kansas frost dates (CSV)
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