| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°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: | 47f - Rolling Loess Prairies |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 52748 - Eldridge, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 18 | 28 | 39 | 51 | 61 | 65 | 63 | 54 | 43 | 31 | 18 | 40 |
| Avg Max Temp (°F) | 28 | 34 | 47 | 60 | 72 | 81 | 85 | 83 | 75 | 64 | 47 | 33 | 59 |
| Avg Precip (In.) | 1.33 | 1.32 | 2.46 | 3.42 | 4.04 | 4.53 | 3.8 | 4.48 | 3.16 | 2.64 | 2.53 | 1.96 | 35.67 |