Frost dates in Marion County, Missouri
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The average last spring frost in Marion County falls Apr 8 to Apr 17 and the average first fall frost Oct 19 to Oct 30, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a. Places: Hannibal, Monroe City, Palmyra, Philadelphia. 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 |
|---|---|---|---|---|
| 63401 | Hannibal | Apr 10 | Oct 27 | 6a |
| 63454 | Apr 8 | Oct 30 | 6a | |
| 63456 | Monroe City | Apr 12 | Oct 22 | 6a |
| 63461 | Palmyra | Apr 8 | Oct 30 | 6a |
| 63463 | Philadelphia | Apr 17 | Oct 19 | 6a |
| 63471 | Apr 8 | Oct 30 | 6a |
Nearby counties
Ralls County Lewis County Shelby County Monroe County Knox County Pike County
All Missouri counties · Download Missouri frost dates (CSV)
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