Slaughterville, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.3 °F (low) to 73 °F (high). Annual precipitation averages 39.1 Inches. Slaughterville is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.1 °F | 50.8 °F | 1.52 in. |
| February | 30.9 °F | 55.4 °F | 1.81 in. |
| March | 39.6 °F | 64.3 °F | 2.94 in. |
| April | 47.8 °F | 72.9 °F | 3.93 in. |
| May | 58.2 °F | 80.1 °F | 5.54 in. |
| June | 67.1 °F | 88.3 °F | 4.62 in. |
| July | 70.9 °F | 93.9 °F | 3.57 in. |
| August | 69.5 °F | 93.7 °F | 3.15 in. |
| September | 61.7 °F | 85.9 °F | 3.94 in. |
| October | 49.8 °F | 75.0 °F | 3.5 in. |
| November | 38.6 °F | 62.8 °F | 2.3 in. |
| December | 29.8 °F | 52.5 °F | 2.31 in. |
| Annual | 49.3 °F | 73 °F | 39.13 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 |