Bessie, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.6 °F (low) to 73 °F (high). Annual precipitation averages 30.1 Inches. Bessie 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 | 25.6 °F | 50.2 °F | 1.01 in. |
| February | 28.7 °F | 54.0 °F | 1.22 in. |
| March | 37.2 °F | 63.2 °F | 2.25 in. |
| April | 45.4 °F | 72.2 °F | 3.0 in. |
| May | 56.2 °F | 81.2 °F | 4.2 in. |
| June | 66.1 °F | 90.5 °F | 3.79 in. |
| July | 70.2 °F | 95.8 °F | 2.3 in. |
| August | 68.6 °F | 94.9 °F | 3.68 in. |
| September | 60.9 °F | 86.1 °F | 2.74 in. |
| October | 48.4 °F | 74.7 °F | 3.1 in. |
| November | 36.4 °F | 61.6 °F | 1.51 in. |
| December | 27.4 °F | 51.1 °F | 1.33 in. |
| Annual | 47.6 °F | 73 °F | 30.13 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |