Frost dates in Sangamon County, Illinois
The average last spring frost in Sangamon County falls Apr 7 to Apr 19 and the average first fall frost Oct 19 to Oct 29, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a. Places: Auburn, Buffalo, Cantrall, Chatham, Curran, Dawson. 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 |
|---|---|---|---|---|
| 62515 | Buffalo | Apr 14 | Oct 20 | 6a |
| 62520 | Dawson | Apr 15 | Oct 22 | 6a |
| 62530 | Divernon | Apr 7 | Oct 29 | 6a |
| 62536 | Apr 7 | Oct 29 | 6a | |
| 62539 | Illiopolis | Apr 14 | Oct 24 | 6a |
| 62545 | Mechanicsburg | Apr 15 | Oct 22 | 6a |
| 62558 | Pawnee | Apr 12 | Oct 20 | 6a |
| 62561 | Riverton | Apr 14 | Oct 20 | 6a |
| 62563 | Rochester | Apr 15 | Oct 22 | 6a |
| 62615 | Auburn | Apr 7 | Oct 29 | 6a |
| 62625 | Cantrall | Apr 14 | Oct 20 | 6a |
| 62629 | Chatham | Apr 15 | Oct 22 | 6a |
| 62661 | Loami | Apr 7 | Oct 29 | 6a |
| 62670 | Curran | Apr 15 | Oct 22 | 6a |
| 62677 | Pleasant Plains | Apr 19 | Oct 19 | 6a |
| 62684 | Sherman | Apr 14 | Oct 20 | 6a |
| 62689 | Thayer | Apr 7 | Oct 29 | 6a |
| 62693 | Williamsville | Apr 14 | Oct 20 | 6a |
| 62701 | Springfield | Apr 15 | Oct 22 | 6a |
| 62702 | Springfield | Apr 14 | Oct 20 | 6a |
| 62703 | Springfield | Apr 15 | Oct 22 | 6a |
| 62704 | Springfield | Apr 15 | Oct 22 | 6a |
| 62706 | Springfield | Apr 15 | Oct 22 | 6a |
| 62707 | Springfield | Apr 14 | Oct 20 | 6a |
| 62711 | Springfield | Apr 15 | Oct 22 | 6a |
| 62712 | Springfield | Apr 15 | Oct 22 | 6a |
Nearby counties
Menard County Christian County Logan County Morgan County Macon County Cass County
All Illinois counties · Download Illinois frost dates (CSV)
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