Drummond, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47 °F (low) to 71.6 °F (high). Annual precipitation averages 32.3 Inches. Drummond is located in USDA Plant Hardiness Zone 7a. 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 | 24.3 °F | 47.8 °F | 0.93 in. |
| February | 27.3 °F | 51.9 °F | 1.3 in. |
| March | 36.0 °F | 61.7 °F | 2.32 in. |
| April | 44.5 °F | 70.5 °F | 3.26 in. |
| May | 55.7 °F | 79.9 °F | 4.38 in. |
| June | 65.9 °F | 90.0 °F | 4.46 in. |
| July | 70.3 °F | 95.3 °F | 3.34 in. |
| August | 68.7 °F | 93.7 °F | 3.77 in. |
| September | 60.8 °F | 86.0 °F | 2.53 in. |
| October | 48.0 °F | 73.4 °F | 3.03 in. |
| November | 35.9 °F | 60.2 °F | 1.62 in. |
| December | 26.6 °F | 49.1 °F | 1.39 in. |
| Annual | 47 °F | 71.6 °F | 32.33 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |