| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 54a - Illinois/Indiana Prairies |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 60936 - Gibson City, IL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 19 | 30 | 39 | 51 | 60 | 64 | 62 | 53 | 42 | 31 | 21 | 41 |
| Avg Max Temp (°F) | 32 | 37 | 49 | 62 | 74 | 83 | 86 | 84 | 78 | 66 | 50 | 37 | 61 |
| Avg Precip (In.) | 1.69 | 1.62 | 2.99 | 3.37 | 4.08 | 4.04 | 3.84 | 3.86 | 2.9 | 2.68 | 3.02 | 2.56 | 36.65 |