Frost dates in Johnson County, Illinois
The average last spring frost in Johnson County falls Apr 3 to Apr 14 and the average first fall frost Oct 21 to Nov 5, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a. Places: Buncombe, Cypress, Goreville, New Burnside, Vienna. 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 |
|---|---|---|---|---|
| 62912 | Buncombe | Apr 8 | Oct 29 | 7a |
| 62923 | Cypress | Apr 3 | Nov 5 | 7a |
| 62939 | Goreville | Apr 8 | Oct 29 | 7a |
| 62943 | Apr 14 | Oct 21 | 7a | |
| 62967 | New Burnside | Apr 14 | Oct 21 | 7a |
| 62972 | Apr 14 | Oct 21 | 7a | |
| 62995 | Vienna | Apr 14 | Oct 21 | 7a |
Nearby counties
Pope County Massac County Union County Williamson County Pulaski County Saline County
All Illinois counties · Download Illinois frost dates (CSV)
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