| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 47h - Nebraska/Kansas Loess Hills |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 68138 - Omaha, NE | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 17 | 27 | 39 | 50 | 60 | 65 | 63 | 53 | 41 | 28 | 16 | 39 |
| Avg Max Temp (°F) | 32 | 38 | 50 | 63 | 73 | 83 | 87 | 85 | 77 | 65 | 48 | 35 | 61 |
| Avg Precip (In.) | .7 | .69 | 2.07 | 2.95 | 4.49 | 4.06 | 3.68 | 3.49 | 3.03 | 2.3 | 1.68 | .91 | 30.05 |