| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 40b - Osage Cuestas |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 74048 - Nowata, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 29 | 38 | 47 | 57 | 65 | 70 | 68 | 60 | 49 | 38 | 28 | 48 |
| Avg Max Temp (°F) | 46 | 53 | 63 | 72 | 79 | 87 | 93 | 93 | 85 | 74 | 60 | 49 | 71 |
| Avg Precip (In.) | 1.73 | 1.97 | 3.79 | 3.93 | 5.08 | 4.73 | 2.91 | 2.96 | 5.05 | 3.58 | 3.8 | 2.29 | 41.82 |