| 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: | 47c - Iowan Surface | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 52411 - Cedar Rapids, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 16 | 27 | 38 | 50 | 59 | 64 | 61 | 53 | 41 | 28 | 16 | 39 |
| Avg Max Temp (°F) | 28 | 34 | 47 | 61 | 72 | 82 | 85 | 83 | 75 | 64 | 46 | 32 | 59 |
| Avg Precip (In.) | 1.11 | 1.12 | 2.18 | 3.4 | 4.3 | 4.69 | 4.23 | 4.56 | 3.62 | 2.49 | 2.42 | 1.49 | 35.62 |