| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 27d - Wellington-McPherson Lowland |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73018 - Chickasha, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 29 | 38 | 47 | 58 | 67 | 71 | 69 | 61 | 49 | 37 | 28 | 48 |
| Avg Max Temp (°F) | 49 | 55 | 64 | 73 | 81 | 89 | 94 | 93 | 86 | 75 | 61 | 51 | 73 |
| Avg Precip (In.) | 1.26 | 1.74 | 2.83 | 3.33 | 5.2 | 4.14 | 2.19 | 2.69 | 3.59 | 3.75 | 2.15 | 1.84 | 34.69 |