Mounds, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 71.7 °F (high). Annual precipitation averages 41.9 Inches. Mounds 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 | 26.6 °F | 49.4 °F | 1.74 in. |
| February | 30.0 °F | 53.6 °F | 2.03 in. |
| March | 38.9 °F | 62.7 °F | 3.18 in. |
| April | 47.6 °F | 71.4 °F | 4.43 in. |
| May | 57.9 °F | 78.7 °F | 5.97 in. |
| June | 66.9 °F | 87.2 °F | 4.52 in. |
| July | 71.0 °F | 92.5 °F | 3.77 in. |
| August | 69.3 °F | 92.6 °F | 3.65 in. |
| September | 61.1 °F | 85.0 °F | 3.63 in. |
| October | 48.9 °F | 74.0 °F | 3.89 in. |
| November | 38.3 °F | 62.2 °F | 2.88 in. |
| December | 29.5 °F | 51.3 °F | 2.23 in. |
| Annual | 48.8 °F | 71.7 °F | 41.92 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |