| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 47c - Iowan Surface | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 52136 - Cresco, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 3 | 10 | 22 | 34 | 46 | 56 | 60 | 58 | 48 | 37 | 24 | 10 | 34 |
| Avg Max Temp (°F) | 22 | 28 | 40 | 56 | 69 | 78 | 82 | 80 | 72 | 60 | 41 | 27 | 55 |
| Avg Precip (In.) | 1.02 | .87 | 2.17 | 3.5 | 3.93 | 4.58 | 4.47 | 5.09 | 3.65 | 2.38 | 2.32 | 1.25 | 35.24 |