| 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 1b: -15F to -10F | |
| 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: | 27b - Rolling Plains and Breaks | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 68978 - Superior, NE | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 19 | 29 | 40 | 51 | 61 | 66 | 64 | 54 | 42 | 28 | 18 | 40 |
| Avg Max Temp (°F) | 36 | 43 | 54 | 65 | 75 | 85 | 90 | 88 | 80 | 68 | 51 | 40 | 65 |
| Avg Precip (In.) | .66 | .74 | 2.24 | 2.63 | 4.32 | 3.43 | 3.7 | 3.2 | 2.7 | 1.93 | 1.63 | .86 | 28.04 |