Hugo, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.4 °F (low) to 74.6 °F (high). Annual precipitation averages 47.5 Inches. Hugo is located in USDA Plant Hardiness Zone 8a. 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 | 30.9 °F | 53.4 °F | 3.01 in. |
| February | 34.9 °F | 58.1 °F | 3.14 in. |
| March | 42.3 °F | 65.9 °F | 4.17 in. |
| April | 50.0 °F | 74.0 °F | 4.33 in. |
| May | 59.8 °F | 81.0 °F | 5.81 in. |
| June | 68.2 °F | 88.9 °F | 4.26 in. |
| July | 71.4 °F | 93.8 °F | 3.24 in. |
| August | 70.2 °F | 94.4 °F | 2.96 in. |
| September | 63.2 °F | 87.7 °F | 3.84 in. |
| October | 51.4 °F | 76.9 °F | 4.57 in. |
| November | 41.4 °F | 65.0 °F | 4.04 in. |
| December | 33.4 °F | 55.5 °F | 4.09 in. |
| Annual | 51.4 °F | 74.6 °F | 47.46 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |