Holdenville, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.4 °F (low) to 72.7 °F (high). Annual precipitation averages 42.4 Inches. Holdenville 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 | 27.7 °F | 50.9 °F | 1.76 in. |
| February | 31.4 °F | 55.1 °F | 2.11 in. |
| March | 39.9 °F | 63.8 °F | 3.13 in. |
| April | 48.2 °F | 72.7 °F | 4.22 in. |
| May | 58.1 °F | 79.5 °F | 5.46 in. |
| June | 66.9 °F | 87.7 °F | 4.79 in. |
| July | 70.5 °F | 93.1 °F | 3.82 in. |
| August | 69.2 °F | 93.4 °F | 3.48 in. |
| September | 61.3 °F | 85.8 °F | 4.13 in. |
| October | 49.9 °F | 74.8 °F | 3.81 in. |
| November | 39.3 °F | 63.1 °F | 2.93 in. |
| December | 30.5 °F | 52.7 °F | 2.72 in. |
| Annual | 49.4 °F | 72.7 °F | 42.36 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 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |