Average First Frost Dates for Illinois
About First Frost Dates in Illinois
First Frost Dates were calculated using daily climate data from the period between 1991-2020.
Interactive Map of Average First Frost Dates for Illinois
Click on the map for more information. Click on the icon in the lower right to view the map legend. Add additional data layers using the icon in the upper right corner.
List of Average First Frost Dates for Locations in Illinois
| Location | Average First Frost Dates |
|---|---|
| Addison | October 21 - 31 |
| Algonquin | October 11 - 20 |
| Alsip | October 21 - 31 |
| Alton | November 1 - 10 |
| Arlington Heights | October 11 - 20 |
| Aurora | October 11 - 20 |
| Bartlett | October 11 - 20 |
| Batavia | October 11 - 20 |
| Belleville | October 11 - 20 |
| Bellwood | October 21 - 31 |
| Belvidere | October 11 - 20 |
| Bensenville | October 21 - 31 |
| Berwyn | October 21 - 31 |
| Bloomingdale | October 11 - 20 |
| Bloomington | October 11 - 20 |
| Blue Island | October 21 - 31 |
| Bolingbrook | October 11 - 20 |
| Bourbonnais | October 11 - 20 |
| Bradley | October 11 - 20 |
| Bridgeview | October 21 - 31 |
| Brookfield | October 21 - 31 |
| Burbank | October 21 - 31 |
| Calumet City | October 21 - 31 |
| Carbondale | October 11 - 20 |
| Carol Stream | October 11 - 20 |
| Carpentersville | October 11 - 20 |
| Cary | October 11 - 20 |
| Champaign | October 11 - 20 |
| Charleston | October 11 - 20 |
| Chicago | October 21 - 31 |
| Chicago Heights | October 11 - 20 |
| Cicero | October 21 - 31 |
| Collinsville | October 21 - 31 |
| Country Club Hills | October 21 - 31 |
| Crest Hill | October 11 - 20 |
| Crystal Lake | October 11 - 20 |
| Danville | October 11 - 20 |
| Darien | October 21 - 31 |
| Darien | October 21 - 31 |
| Decatur | October 11 - 20 |
| Deerfield | October 21 - 31 |
| DeKalb | October 11 - 20 |
| Des Plaines | October 21 - 31 |
| Dixon | October 11 - 20 |
| Dolton | October 21 - 31 |
| Downers Grove | October 21 - 31 |
| East Moline | October 11 - 20 |
| East Peoria | October 11 - 20 |
| Edwardsville | October 21 - 31 |
| Elgin | October 11 - 20 |
| Elk Grove Village | October 21 - 31 |
| Elmhurst | October 21 - 31 |
| Elmwood Park | October 21 - 31 |
| Evanston | October 21 - 31 |
| Evergreen Park | October 21 - 31 |
| Fairview Heights | October 11 - 20 |
| Frankfort | October 21 - 31 |
| Franklin Park | October 21 - 31 |
| Freeport | October 11 - 20 |
| Galesburg | October 11 - 20 |
| Geneva | October 11 - 20 |
| Glen Ellyn | October 11 - 20 |
| Glendale Heights | October 11 - 20 |
| Glenview | October 21 - 31 |
| Godfrey | November 1 - 10 |
| Granite City | November 1 - 10 |
| Grayslake | October 11 - 20 |
| Gurnee | October 21 - 31 |
| Hanover Park | October 11 - 20 |
| Harvey | October 21 - 31 |
| Highland Park | October 21 - 31 |
| Hinsdale | October 21 - 31 |
| Hoffman Estates | October 11 - 20 |
| Homer Glen | October 21 - 31 |
| Homewood | October 11 - 20 |
| Huntley | October 11 - 20 |
| Jacksonville | October 11 - 20 |
| Joliet | October 11 - 20 |
| Kankakee | October 11 - 20 |
| La Grange | October 21 - 31 |
| Lake Forest | October 21 - 31 |
| Lake in the Hills | October 11 - 20 |
| Lake Zurich | October 11 - 20 |
| Lansing | October 21 - 31 |
| Lemont | October 21 - 31 |
| Libertyville | October 21 - 31 |
| Lisle | October 11 - 20 |
| Lockport | October 11 - 20 |
| Lombard | October 21 - 31 |
| Loves Park | October 11 - 20 |
| Machesney Park | October 11 - 20 |
| Macomb | October 11 - 20 |
| Marion | October 11 - 20 |
| Matteson | October 11 - 20 |
| Mattoon | October 11 - 20 |
| Maywood | October 21 - 31 |
| McHenry | October 11 - 20 |
| Melrose Park | October 21 - 31 |
| Mokena | October 21 - 31 |
| Moline | October 21 - 31 |
| Montgomery | October 11 - 20 |
| Morton | October 11 - 20 |
| Morton Grove | October 21 - 31 |
| Mount Prospect | October 21 - 31 |
| Mundelein | October 21 - 31 |
| Naperville | October 11 - 20 |
| New Lenox | October 11 - 20 |
| Niles | October 21 - 31 |
| Normal | October 11 - 20 |
| Norridge | October 21 - 31 |
| North Aurora | October 11 - 20 |
| North Chicago | October 21 - 31 |
| Northbrook | October 21 - 31 |
| O'Fallon | October 11 - 20 |
| Oak Forest | October 21 - 31 |
| Oak Lawn | October 21 - 31 |
| Oak Park | October 21 - 31 |
| Orland Park | October 21 - 31 |
| Oswego | October 11 - 20 |
| Ottawa | October 11 - 20 |
| Palatine | October 11 - 20 |
| Palos Hills | October 21 - 31 |
| Park Forest | October 11 - 20 |
| Park Ridge | October 21 - 31 |
| Pekin | October 11 - 20 |
| Peoria | October 11 - 20 |
| Plainfield | October 11 - 20 |
| Prospect Heights | October 21 - 31 |
| Quincy | October 21 - 31 |
| Rock Island | October 21 - 31 |
| Rockford | October 11 - 20 |
| Rolling Meadows | October 11 - 20 |
| Romeoville | October 11 - 20 |
| Roselle | October 11 - 20 |
| Round Lake | October 11 - 20 |
| Round Lake Beach | October 11 - 20 |
| Schaumburg | October 11 - 20 |
| Shorewood | October 11 - 20 |
| Skokie | October 21 - 31 |
| South Elgin | October 11 - 20 |
| South Holland | October 21 - 31 |
| Springfield | October 11 - 20 |
| Streamwood | October 11 - 20 |
| Sycamore | October 11 - 20 |
| Tinley Park | October 21 - 31 |
| Urbana | October 11 - 20 |
| Vernon Hills | October 11 - 20 |
| Villa Park | October 21 - 31 |
| Washington | October 11 - 20 |
| Waukegan | October 21 - 31 |
| West Chicago | October 11 - 20 |
| Westchester | October 21 - 31 |
| Westmont | October 21 - 31 |
| Wheaton | October 11 - 20 |
| Wheeling | October 11 - 20 |
| Wilmette | October 21 - 31 |
| Woodridge | October 11 - 20 |
| Woodstock | October 11 - 20 |
| Yorkville | October 11 - 20 |
| Zion | October 21 - 31 |