Howe, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.6 °F (low) to 73.4 °F (high). Annual precipitation averages 50.2 Inches. Howe 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 | 28.1 °F | 51.5 °F | 2.85 in. |
| February | 32.0 °F | 56.1 °F | 2.88 in. |
| March | 40.0 °F | 64.4 °F | 4.01 in. |
| April | 48.3 °F | 73.0 °F | 5.18 in. |
| May | 58.3 °F | 80.0 °F | 6.66 in. |
| June | 67.2 °F | 88.7 °F | 4.38 in. |
| July | 70.8 °F | 93.7 °F | 3.4 in. |
| August | 69.2 °F | 93.5 °F | 3.8 in. |
| September | 61.4 °F | 86.3 °F | 4.47 in. |
| October | 49.3 °F | 75.6 °F | 4.29 in. |
| November | 39.0 °F | 63.8 °F | 4.55 in. |
| December | 31.1 °F | 53.9 °F | 3.71 in. |
| Annual | 49.6 °F | 73.4 °F | 50.18 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 |