Elmore City, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.6 °F (low) to 73.8 °F (high). Annual precipitation averages 37 Inches. Elmore City is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.8 °F | 52.1 °F | 1.55 in. |
| February | 31.7 °F | 56.3 °F | 1.98 in. |
| March | 40.2 °F | 65.2 °F | 2.75 in. |
| April | 48.1 °F | 73.3 °F | 3.58 in. |
| May | 58.4 °F | 80.4 °F | 5.58 in. |
| June | 67.4 °F | 88.8 °F | 4.74 in. |
| July | 71.2 °F | 94.2 °F | 2.79 in. |
| August | 69.8 °F | 94.5 °F | 2.68 in. |
| September | 62.1 °F | 86.8 °F | 3.8 in. |
| October | 49.9 °F | 75.8 °F | 3.33 in. |
| November | 39.1 °F | 64.0 °F | 2.24 in. |
| December | 30.0 °F | 53.6 °F | 2.02 in. |
| Annual | 49.6 °F | 73.8 °F | 37.04 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |