Whitefield, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.6 °F (low) to 72.5 °F (high). Annual precipitation averages 45.3 Inches. Whitefield 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.8 °F | 50.3 °F | 2.56 in. |
| February | 31.4 °F | 54.4 °F | 2.16 in. |
| March | 39.7 °F | 63.2 °F | 3.7 in. |
| April | 48.2 °F | 72.0 °F | 4.48 in. |
| May | 58.3 °F | 79.3 °F | 5.63 in. |
| June | 67.5 °F | 88.2 °F | 4.63 in. |
| July | 71.2 °F | 93.2 °F | 3.61 in. |
| August | 69.7 °F | 93.2 °F | 3.37 in. |
| September | 61.9 °F | 86.1 °F | 4.66 in. |
| October | 49.8 °F | 74.7 °F | 4.09 in. |
| November | 39.2 °F | 63.4 °F | 3.4 in. |
| December | 30.4 °F | 52.2 °F | 3.04 in. |
| Annual | 49.6 °F | 72.5 °F | 45.33 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |