Frost dates in DeKalb County, Illinois
The average last spring frost in DeKalb County falls Apr 24 to Apr 28 and the average first fall frost Oct 10 to Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Cortland, DeKalb, Genoa, Hinckley, Kingston, Kirkland. 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 |
|---|---|---|---|---|
| 60111 | Apr 24 | Oct 18 | 5b | |
| 60112 | Cortland | Apr 24 | Oct 18 | 5b |
| 60115 | DeKalb | Apr 24 | Oct 18 | 5b |
| 60135 | Genoa | Apr 28 | Oct 12 | 5b |
| 60145 | Kingston | Apr 24 | Oct 18 | 5b |
| 60146 | Kirkland | Apr 24 | Oct 18 | 5b |
| 60150 | Malta | Apr 28 | Oct 10 | 5b |
| 60178 | Sycamore | Apr 24 | Oct 18 | 5b |
| 60520 | Hinckley | Apr 28 | Oct 13 | 5b |
| 60548 | Sandwich | Apr 28 | Oct 13 | 5b |
| 60550 | Shabbona | Apr 28 | Oct 10 | 5b |
| 60552 | Somonauk | Apr 28 | Oct 13 | 5b |
| 60556 | Waterman | Apr 28 | Oct 10 | 5b |
Nearby counties
Kane County Kendall County Lee County Ogle County Boone County Winnebago County
All Illinois counties · Download Illinois frost dates (CSV)
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