| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 47e - Steeply Rolling Loess Prairies |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 50058 - Coon Rapids, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 14 | 25 | 36 | 49 | 58 | 63 | 61 | 51 | 39 | 26 | 14 | 37 |
| Avg Max Temp (°F) | 28 | 34 | 47 | 61 | 72 | 82 | 86 | 83 | 76 | 64 | 46 | 32 | 59 |
| Avg Precip (In.) | .88 | .91 | 2.24 | 3.35 | 4.3 | 4.66 | 4.31 | 3.93 | 3.34 | 2.51 | 1.88 | 1.1 | 33.42 |