Frost dates in Iron County, Missouri
The average last spring frost in Iron County falls Apr 9 to Apr 21 and the average first fall frost Oct 16 to Oct 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b. Places: Annapolis, Arcadia, Des Arc, Ironton, Pilot Knob. 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 |
|---|---|---|---|---|
| 63620 | Annapolis | Apr 9 | Oct 26 | 6b |
| 63621 | Arcadia | Apr 21 | Oct 16 | 6b |
| 63623 | Apr 11 | Oct 28 | 6b | |
| 63636 | Des Arc | Apr 9 | Oct 26 | 6b |
| 63650 | Ironton | Apr 13 | Oct 21 | 6b |
| 63656 | Apr 11 | Oct 28 | 6b | |
| 63663 | Pilot Knob | Apr 13 | Oct 21 | 6b |
| 63675 | Apr 9 | Oct 26 | 6b | |
| 65439 | Apr 11 | Oct 28 | 6b |
Nearby counties
Reynolds County Madison County St. Francois County Washington County Wayne County Bollinger County
All Missouri counties · Download Missouri frost dates (CSV)
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