Mannsville, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.2 °F (low) to 73.9 °F (high). Annual precipitation averages 40.6 Inches. Mannsville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.8 °F | 52.6 °F | 2.07 in. |
| February | 33.5 °F | 57.0 °F | 2.28 in. |
| March | 41.7 °F | 65.2 °F | 3.27 in. |
| April | 49.7 °F | 73.5 °F | 3.66 in. |
| May | 59.7 °F | 80.3 °F | 5.72 in. |
| June | 68.5 °F | 88.8 °F | 4.57 in. |
| July | 72.5 °F | 93.9 °F | 2.78 in. |
| August | 71.2 °F | 94.2 °F | 2.66 in. |
| September | 63.4 °F | 86.8 °F | 3.99 in. |
| October | 51.5 °F | 76.1 °F | 4.16 in. |
| November | 41.0 °F | 64.5 °F | 2.64 in. |
| December | 32.0 °F | 54.4 °F | 2.79 in. |
| Annual | 51.2 °F | 73.9 °F | 40.59 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |