| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 27d - Wellington-McPherson Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73036 - El Reno, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 28 | 35 | 45 | 56 | 65 | 70 | 68 | 60 | 49 | 35 | 27 | 47 |
| Avg Max Temp (°F) | 46 | 53 | 61 | 71 | 79 | 88 | 94 | 92 | 84 | 73 | 59 | 49 | 71 |
| Avg Precip (In.) | 1.14 | 1.38 | 2.75 | 2.98 | 5.75 | 4.87 | 2.55 | 2.74 | 3.52 | 3.05 | 2.13 | 1.44 | 34.3 |