| 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. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 72i - Western Dissected Illinoian Till Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 62316 - Bowen, IL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 20 | 30 | 41 | 52 | 61 | 66 | 63 | 54 | 43 | 31 | 20 | 41 |
| Avg Max Temp (°F) | 32 | 38 | 50 | 63 | 73 | 82 | 87 | 85 | 78 | 66 | 50 | 37 | 62 |
| Avg Precip (In.) | 1.28 | 1.58 | 2.83 | 3.53 | 4.67 | 3.72 | 4.2 | 3.52 | 3.71 | 2.85 | 2.91 | 2.09 | 36.9 |