Bernice, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.5 °F (low) to 70.2 °F (high). Annual precipitation averages 46.7 Inches. Bernice 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 | 25.2 °F | 46.9 °F | 2.27 in. |
| February | 28.6 °F | 51.5 °F | 2.2 in. |
| March | 37.1 °F | 60.9 °F | 3.67 in. |
| April | 46.3 °F | 70.4 °F | 4.75 in. |
| May | 56.4 °F | 77.9 °F | 6.48 in. |
| June | 65.6 °F | 86.3 °F | 4.95 in. |
| July | 69.7 °F | 91.4 °F | 4.12 in. |
| August | 67.9 °F | 91.3 °F | 3.62 in. |
| September | 59.9 °F | 83.5 °F | 4.54 in. |
| October | 47.9 °F | 72.4 °F | 4.08 in. |
| November | 37.3 °F | 60.5 °F | 3.35 in. |
| December | 28.6 °F | 49.7 °F | 2.71 in. |
| Annual | 47.5 °F | 70.2 °F | 46.74 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |