| 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: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 72f - River Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 61607 - Peoria, IL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 20 | 30 | 41 | 51 | 60 | 65 | 63 | 54 | 42 | 32 | 20 | 41 |
| Avg Max Temp (°F) | 31 | 37 | 50 | 62 | 73 | 82 | 86 | 84 | 77 | 65 | 49 | 36 | 61 |
| Avg Precip (In.) | 1.53 | 1.66 | 2.85 | 3.58 | 4.17 | 3.94 | 4.01 | 3.21 | 3.2 | 2.78 | 3.01 | 2.42 | 36.37 |