Frost dates in Marion County, Illinois
The average last spring frost in Marion County falls Apr 9 to Apr 10 and the average first fall frost Oct 24 to Oct 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b. Places: Alma, Centralia, Iuka, Kell, Kinmundy, Odin. 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 |
|---|---|---|---|---|
| 62801 | Centralia | Apr 9 | Oct 24 | 6b |
| 62807 | Alma | Apr 9 | Oct 26 | 6b |
| 62849 | Iuka | Apr 9 | Oct 26 | 6b |
| 62853 | Kell | Apr 9 | Oct 24 | 6b |
| 62854 | Kinmundy | Apr 9 | Oct 26 | 6b |
| 62870 | Odin | Apr 9 | Oct 26 | 6b |
| 62875 | Patoka | Apr 9 | Oct 26 | 6b |
| 62881 | Salem | Apr 9 | Oct 26 | 6b |
| 62882 | Sandoval | Apr 9 | Oct 26 | 6b |
| 62892 | Vernon | Apr 10 | Oct 24 | 6b |
Nearby counties
Fayette County Jefferson County Washington County Clay County Bond County Clinton County
All Illinois counties · Download Illinois frost dates (CSV)
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