| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F 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: | 29a - Cross Timbers |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 74002 - Barnsdall, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 27 | 37 | 47 | 56 | 65 | 69 | 68 | 60 | 48 | 36 | 26 | 47 |
| Avg Max Temp (°F) | 46 | 53 | 63 | 73 | 79 | 87 | 93 | 93 | 84 | 74 | 60 | 49 | 71 |
| Avg Precip (In.) | 1.47 | 1.94 | 3.58 | 3.88 | 5.52 | 4.9 | 3.28 | 3.23 | 4.99 | 3.51 | 3.44 | 2.14 | 41.89 |