| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 47h - Nebraska/Kansas Loess Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 68410 - Nebraska City, NE | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 18 | 28 | 39 | 50 | 61 | 66 | 63 | 54 | 42 | 29 | 18 | 40 |
| Avg Max Temp (°F) | 33 | 40 | 51 | 64 | 74 | 84 | 88 | 86 | 79 | 67 | 50 | 37 | 62 |
| Avg Precip (In.) | .86 | 1 | 2.43 | 3.4 | 4.37 | 3.95 | 5.06 | 3.62 | 3.36 | 2.56 | 1.96 | 1.27 | 33.84 |